Incidence, risk factors and Microorganisms for post caesarean Surgical Site Infection In A Tertiary Care Centre in Bangladesh

Background: Surgical site infection (SSI) is a common complication following caesarean section (C-section) and mainly responsible for increased maternal morbidity and higher treatment costs. This study will determine the incidence and risk factors of surgical site infections following caesarean section in Dhaka Medical College Hospital (DMCH). Materials and Methods: This is a retrospective observational study which was conducted among patients having post caesarean surgical site infections attending post-natal outdoor clinic of DMCH from January, 2019 to December, 2019. Data were collected in structured questionnaire. Culturebased microbiological methods were used to identify causal agents in postoperative wounds. Results: Overall SSI rate following caesarian section was 4.44%.Patient related risk factors were inadequate antenatal check-up, emergency procedures, malnutrition (22.44%), anaemia (21.46%) associated comorbidity (59.46%), history of rupture membrane >12 hours (40.98%) and had history of prolonged labour pain >12 hours (16.10%).Surgery related risk factors were repeated per vaginal examinations by untrained birth attendant (21.95%) & duration of surgery>1 hour (62.93%). The most common organisms responsible for SSI were Staphylococcus aureus 44(21.46%) and Escherichia coli 31(15.12%). The most sensitive antibiotics were aminoglycosides, cephalosporin & cloxacillin. Conclusion: Most of the risk factors for surgical site infection following caesarean section identified in this study can be modified through intervention. However the microorganisms detected from our patient showed a high degree of resistance for commonly prescribed antimicrobials in our set-up. J Dhaka Medical College, Vol. 28, No.2, October, 2019, Page 136-141

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Evaluation of patient related modifiable and non-modifiable risk factors in causation of surgical site infection in various abdominal surgeries

International Surgery Journal ◽

10.18203/2349-2902.isj20185485 ◽

2018 ◽

Vol 6 (1) ◽

pp. 265

Author(s):

Abhinav Agrawal ◽

Shivam Madeshiya ◽

Roshni Khan ◽

Shashank S. Tripathi ◽

Gaurav Bharadwaj

Keyword(s):

Risk Factors ◽

Surgical Site Infection ◽

Surgical Site Infections ◽

Signs And Symptoms ◽

Blood Transfusions ◽

Site Infection ◽

Case Scenario ◽

Related Risk ◽

Duration Of Surgery ◽

Before And After

Background: Surgical Site Infection (SSI) is second commonest nosocomial complication in surgical speciality. Majority of surgical wounds are contaminated by microbes, but in most cases, infection does not develop because innate host defense are quite efficient in elimination of contaminants. The objective of this study was to evaluate patient related risk factors in causation of surgical site infection in various abdominal surgeries.Methods: All patients who admitted in surgical OPD/emergency and undergoing abdominal surgical procedures were included in study. This observational study was comprised of 952 subjects. Patients were observed in wards and during follow up to assess signs and symptoms of surgical site infection.Results: Result were analysed in terms of age, sex, distribution of cases based on case scenario (elective v/s emergency), wound class, type of surgery (laparoscopic v/s open), smoking, diabetes, duration of surgery, complete hemogram before and after blood transfusion, number of blood transfusions, albumin, blood sugar level, discharge from surgical site, number of days of drains, stoma and hospital stay.Conclusions: Surgical site infection in emergency cases were found to be higher as compared to elective cases. Occurrence of SSI proportionately increased with degree of contamination, duration of surgery and age of patients. Laparoscopic procedures showed fewer incidences of surgical site infection as compared to open procedures. Various factors showed statistically significant association with surgical site infections were diabetes, smoking, blood transfusions, haemoglobin and albumin levels. Presence of stomas and drains were associated with increased incidence of SSI but could not be proven statistically.

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Assessment of risk factors for surgical site infection following caesarean section

International Journal of Reproduction Contraception Obstetrics and Gynecology ◽

10.18203/2320-1770.ijrcog20194886 ◽

2019 ◽

Vol 8 (11) ◽

pp. 4518

Author(s):

Aditi Sangwan ◽

Vani Malhotra

Keyword(s):

Risk Factors ◽

Caesarean Section ◽

Surgical Site Infection ◽

Site Infection ◽

Emergency Caesarean ◽

Group I ◽

Number Of Patients ◽

Duration Of Surgery ◽

Wound Discharge ◽

Group Ii

Background: Assessment of surgical site infection is an important factor to determine the functioning of the health care system. Objectives of this study was to estimate the incidence of surgical site infection among caesarean section cases and to determine the risk factors associated with surgical site infection and comparison with patients having healthy wounds.Methods: One thousand pregnant women who underwent caesarean section were divided into two groups: Group 1 (cases): Those who had SSI within 30 days of caesarean section and Group 2 (controls): Those who didn’t have SSI.Results: Mean age of group I was 25.35±4.40 and 21.12±3.60 years in group II (p >0.05). Mean gestational age of group I cases was 38.07±1.88 weeks and in group II, it was 38.17±2.06 weeks (p >0.05). A total of 37 (82.5%) women in group I and 931 (96.98%) women in group II underwent emergency caesarean section (p <0.05). In group I, mean duration of surgery was 1.0±0.13 hours and 1.02±0.21 hours in group II (p <0.05). Maximum number of patients i.e. 22 (55%) had wound discharge between 4-7 days followed by 11 (27.5%) between 8-10 days. Mean wound discharge was 7.32±3.45 days in group I. Majority of women, i.e. 27 (67%) found to be sterile in the present study followed by 7 (17.5%) women were found to have staphylococcus aureus. Mean duration of resuturing was 17.42±6.98 days. Mean baby weight in group I was 2.72±0.53 kg and in group II it was 2.95±0.53 kg (p <0.001).Conclusions: Risk of developing SSI after caesarean section is multi-factorial and found to be influenced by emergency surgery, PROM, pre-operative anaemia, multiple vaginal examinations, interrupted skin suturing, raised BMI, nulliparity, emergency caesarean, duration of surgery.

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The risk factors and care measures of surgical site infection after cesarean section in China: a retrospective analysis

BMC Surgery ◽

10.1186/s12893-021-01154-x ◽

2021 ◽

Vol 21 (1) ◽

Author(s):

Lijun Li ◽

Hongyan Cui

Keyword(s):

Risk Factors ◽

Escherichia Coli ◽

Blood Loss ◽

Cesarean Section ◽

Surgical Site Infection ◽

Enterococcus Faecalis ◽

Urinary Catheter ◽

Surgical Site Infections ◽

Site Infection ◽

Duration Of Surgery

Abstract Background Surgical site infections after cesarean section are very common clinically, it is necessary to evaluate the risk factors of surgical site infections after cesarean section, to provide evidences for the treatment and nursing care of cesarean section. Methods This study was a retrospective cohort study design. Patients undergone cesarean section in a tertiary hospital of China from May 2017 to May 2020 were identified, we collected the clinical data of the included patients, and we analyzed the infection rate, etiological characteristics and related risk factors of surgical site infection after caesarean section. Results A total of 206 patients with cesarean section were included, and the incidence of surgical site infection in patients with cesarean section was 23.30%. A total of 62 cases of pathogens were identified, Enterococcus faecalis (33.87%) and Escherichia coli (29.03%) were the most common pathogens. Both Enterococcus faecalis and Escherichia coli were highly sensitive to Cefoperazone, Meropenem, and Levofloxacin. Logistic regression analyses indicated that Age ≥ 30y (OR 4.18, 95%CI: 1.23–7.09), BMI ≥ 24 (OR 2.39, 95%CI: 1.02–4.55), duration of cesarean section ≥ 1.5 h (OR 3.90, 95%CI: 1.28–5.42), estimated blood loss ≥ 400 ml (OR 2.35, 95%CI: 1.10–4.37) and the duration of urinary catheter ≥ 24 h (OR 3.18, 95% CI: 1.21–5.71) were the independent risk factors of surgical site infection after cesarean section (all p < 0.05). Conclusions Age, BMI, duration of surgery, blood loss and urinary catheter use were associated with higher risk of the surgical site infection after cesarean section. Clinical preventions and interventions are warranted for those population to reduce the occurrence of surgical site infection.

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Profile of Aerobic Bacteria in Surgical Site Infection Following Caesarean Section and Antibiotic Susceptibility Pattern in Silchar Medical College, India

Journal of Evolution of Medical and Dental Sciences ◽

10.14260/jemds/2021/618 ◽

2021 ◽

Vol 10 (35) ◽

pp. 3030-3034

Author(s):

Nazrana Choudhury ◽

Abul Barkat Fuzayel Ahmed ◽

Debadatta Dhar Chanda ◽

Achinta Kumar Borthakur

Keyword(s):

Risk Factors ◽

Staphylococcus Aureus ◽

Caesarean Section ◽

Surgical Site Infection ◽

Site Infection ◽

Bacterial Isolates ◽

Susceptibility Pattern ◽

Gram Negative ◽

Medical College ◽

Antimicrobial Susceptibility Pattern

BACKGROUND Caesarean section is one of the most common surgeries performed in women of reproductive age group. Postoperative surgical site infection (SSI) is the third most frequently reported nosocomial infection. Recovery after caesarean section can be more demanding for a woman who develops a post-operative surgical site infection that can even lead to death. Surveillance of surgical site infection is an important infection control activity. A better understanding of the spectrum of pathogens causing SSI as well as their susceptibility pattern is important for prompt management of patients. The main objectives of this study were to identify the bacterial agents causing postoperative wound infection in caesarean section, as well as determine the in-vitro antimicrobial susceptibility pattern of different bacterial isolates and also to examine the risk factors of postoperative caesarean infection. METHODS This is an observational (cross sectional study) where 100 cases of postoperative caesarean section wound infection admitted in the Department of Obstetrics & Gynaecology ̦ Silchar Medical College were studied. Pus samples were collected and cultured, and the pathogenic isolates were tested against different antimicrobial agents by standard disc diffusion method (Kirby-Bauer method) as per the recommendation of Clinical and Laboratory Standard Institute (CLSI) guidelines. RESULTS The study revealed Staphylococcus aureus 38.1 % of which 21.9 % were methicillin resistant (MRSA), as the most common organism responsible for SSI followed by Escherichia coli 23.8 % and Klebsiella pneumoniae 16.7 %. Staphylococcus aureus was 100 % sensitive to vancomycin and linezolid 78.1 % and 71.9 % sensitive to erythromycin and ciprofloxacin respectively. The most sensitive antimicrobials for Gram negative isolates were polymyxin B 96.2 %, imipenem 94.2 % and ciprofloxacin 76.9 %. Emergency C-section (83 %), premature rupture of membranes (PROM) 30 %, prolong labour 26 %, history of previous caesarean section 22 %, anaemia 15 % cases and BMI ≥ 25 (16 %) were found to be risk factors. CONCLUSIONS The findings of preponderance of Staphylococcus aureus and Gram negative bacilli in this study with good antibiotic sensitivity against the fluoroquinolone and aminoglycosides is of local clinical relevance. KEY WORDS Caesarean Section, Surgical Site Infection, Antimicrobial Susceptibility Pattern, Bacterial Isolates, MRSA Strains

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Surgical site infection in benign abdominal gynaecological surgeries

International Journal of Reproduction Contraception Obstetrics and Gynecology ◽

10.18203/2320-1770.ijrcog20213853 ◽

2021 ◽

Vol 10 (10) ◽

pp. 3870

Author(s):

Haritha Kizhakke Kodiyath ◽

Kunnath Ramakrishnan ◽

Kadaviparambil Jacob

Keyword(s):

Risk Factors ◽

Surgical Site Infection ◽

Prospective Observational Study ◽

Operative Time ◽

Causative Organism ◽

Site Infection ◽

Medical College ◽

Duration Of Surgery ◽

Host Defense System ◽

Old Evidence

Background: Surgical site infection is the commonest complication after gynecological surgeries. Limited studies have been done in India to know the magnitude of the problem. This study aims to know the incidence of surgical site infection, analyze the risk factors and identify the causative organisms.Methods: A prospective observational study .All women who underwent abdominal surgeries for benign pathologies in department of obstetrics and gynecology, Government medical college, Thrissur from April 2016 to March 2017, were included in the study women more than 80 years old, evidence of infection preoperative or within 48 hours of surgery, laparoscopy procedures unless combined with open surgeries and emergency surgeries were excluded.Results: The incidence of SSI was found to be 7.9%. Re suturing had to be done in 24 patients. The risk factors found to be significant were age more than 50 years ,patients with education <7th std, diabetes, BMI>30,pre hospital stay >10 days, ASA score >3, duration of surgery >2 hours and peri-operative blood transfusion. Staphylococcus aureus was the most common causative organism and was sensitive to amikacin, vancomycin, cloxacillin and its combinations.Conclusions: SSI pose a significant problem in the post operative period that can affect recovery. It was associated with multiple predisposing factors which could be prevented if these risk factors are identified early and appropriate measures are adopted to support host defense system in the peri operative time.

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GAMBARAN KEJADIAN INFEKSI LUKA OPERASI (ILO) PASCA BEDAH ABDOMEN DI RSUD ABDUL WAHAB SJAHRANIE SAMARINDA

Jurnal Kebidanan Mutiara Mahakam ◽

10.36998/jkmm.v8i1.68 ◽

2020 ◽

Vol 8 (1) ◽

pp. 21-37

Author(s):

Sepriani indriati Azis ◽

P.M.T. Mangalindung Ompusunggu ◽

Hadi Irawiraman

Keyword(s):

Diabetes Mellitus ◽

Risk Factors ◽

Abdominal Surgery ◽

Surgical Site Infection ◽

Staphylococcus Epidermidis ◽

Surgical Site Infections ◽

Prophylactic Antibiotics ◽

Site Infection ◽

Surgical Wound ◽

Duration Of Surgery

Infeksi luka operasi (ILO) adalah infeksi pada bagian tubuh yang terpapar oleh ahli bedah saat prosedur invasive. ILO merupakan salah satu infeksi nosokomial yang paling umum dan paling dapat dicegah diantara infeksi nosokomial lainnya, namun kejadian infeksi luka operasi terutama pada bedah abdomen masih menunjukkan beban yang signifikan. Faktor resiko infeksi luka operasi meliputi usia tua, jenis luka operasi, penyakit penyerta seperti diabetes mellitus, pemberian antibiotik profilaksis yang tidak adekuat, status gizi pasien seperti obesitas dan malnutrisi serta durasi operasi yang panjang. Penelitian ini bertujuan untuk mengetahui gambaran kejadian infeksi luka operasi pasca bedah abdomen di RSUD Abdul Wahab Sjahranie Samarinda. Metode penelitian ini adalah penelitian deskriptif laboratorik. Data penelitian diambil dari swab luka operasi dan data rekam medik pada 40 pasien pasca bedah abdomen yang melakukan pergantian perban pertama kali serta memenuhi kriteria inklusi dan eksklusi. Hasil penelitian menunjukkan 30 orang (75%) pasien mendapatkan infeksi luka operasi. Mayoritas pasien terinfeksi berusia diatas 40 tahun, yaitu pada 15 pasien (37,5%). Sebagian besar pasien terinfeksi mendapatkan luka bersih terkontaminasi, yaitu 23 pasien (57,5%). Mayoritas pasien terinfeksi yaitu 27 pasien (67,5%) tidak memiliki penyakit penyerta. Bakteri gram positif, yaitu Staphylococcus epidermidis merupakan bakteri penginfeksi terbanyak yang teridentifikasi pada 10 orang (33,3%) pasien. Seluruh pasien terinfeksi, yaitu 30 pasien (75%) mendapatkan antibiotik profilaksis. Mayoritas pasien terinfeksi memiliki status gizi normal, yaitu 17 orang (42,5%), dan kejadian infeksi lebih banyak terjadi pada pasien dengan durasi <120 menit, yaitu 20 orang (50%) pasien. Kata Kunci : Infeksi Luka Operasi, ILO, Bedah Abdomen, Faktor Resiko Infeksi Luka Operasi Surgical site infection (SSI) is an infection at the part of the body that was exposed by a surgeon during an invasive procedure. SSI is one of the most common and most preventable nosocomial infection among other nosocomial infections, but the incidence of surgical site infections especially in abdominal surgery still shows a significant burden. Risk factors of surgical site infections include old age, type of surgical wound, comorbidities such as diabetes mellitus, inadequate prophylactic antibiotics, nutritional statuses such as obesity and malnutrition and long duration of surgery. This study aimed to explain an overview of the incidence of postoperative abdominal wound infection in Abdul Wahab Sjahranie General Hospital, Samarinda. This research method was a laboratory descriptive study. The research data was taken from surgical wound swabs and medical record data of 40 post-abdominal surgery patients who made the bandage changes for the first time and met the inclusion and exclusion criteria. The results showed 30 patients (75%) had surgical site infections. The highest percentage of infected patients aged over 40 years, i.e. in 15 people (37.5%). Most of the infected patients had clean contaminated wounds, i.e. in 23 patients (57.5%). The majority of infected patients did not have concomitant diseases, i.e. 27 people (67.5%). Gram-positive bacteria, specifically Staphylococcus epidermidis was the most infectious bacteria identified in 10 patients (33.3%). All infected patients, i.e. 30 patients (75%) received prophylactic antibiotics. The highest frequencies of infected patients had normal nutritional status, i.e.17 patients(42.5%), and the incidence of infection was more common in patients with duration <120 minutes, i.e. 20 patients (50%). Keywords : Surgical Site Infection, SSI, Abdominal Surgery, Risk Factors

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Risk factors for deep surgical site infection following thoracolumbar spinal surgery

Journal of Neurosurgery Spine ◽

10.3171/2019.8.spine19479 ◽

2020 ◽

Vol 32 (2) ◽

pp. 292-301 ◽

Cited By ~ 5

Author(s):

Hansen Deng ◽

Andrew K. Chan ◽

Simon G. Ammanuel ◽

Alvin Y. Chan ◽

Taemin Oh ◽

...

Keyword(s):

Risk Factors ◽

Surgical Site Infection ◽

Spine Surgery ◽

Thoracolumbar Spine ◽

Hospital Length Of Stay ◽

Site Infection ◽

Asa Classification ◽

Estimated Blood Loss ◽

History Of ◽

The Mean

OBJECTIVESurgical site infection (SSI) following spine surgery causes major morbidity and greatly impedes functional recovery. In the modern era of advanced operative techniques and improved perioperative care, SSI remains a problematic complication that may be reduced with institutional practices. The objectives of this study were to 1) characterize the SSI rate and microbial etiology following spine surgery for various thoracolumbar diseases, and 2) identify risk factors that were associated with SSI despite current perioperative management.METHODSAll patients treated with thoracic or lumbar spine operations on the neurosurgery service at the University of California, San Francisco from April 2012 to April 2016 were formally reviewed for SSI using the National Healthcare Safety Network (NHSN) guidelines. Preoperative risk variables included age, sex, BMI, smoking, diabetes mellitus (DM), coronary artery disease (CAD), ambulatory status, history of malignancy, use of preoperative chlorhexidine gluconate (CHG) showers, and the American Society of Anesthesiologists (ASA) classification. Operative variables included surgical pathology, resident involvement, spine level and surgical technique, instrumentation, antibiotic and steroid use, estimated blood loss (EBL), and operative time. Multivariable logistic regression was used to evaluate predictors for SSI. Odds ratios and 95% confidence intervals were reported.RESULTSIn total, 2252 consecutive patients underwent thoracolumbar spine surgery. The mean patient age was 58.6 ± 13.8 years and 49.6% were male. The mean hospital length of stay was 6.6 ± 7.4 days. Sixty percent of patients had degenerative conditions, and 51.9% underwent fusions. Sixty percent of patients utilized presurgery CHG showers. The mean operative duration was 3.7 ± 2 hours, and the mean EBL was 467 ± 829 ml. Compared to nonfusion patients, fusion patients were older (mean 60.1 ± 12.7 vs 57.1 ± 14.7 years, p < 0.001), were more likely to have an ASA classification > II (48.0% vs 36.0%, p < 0.001), and experienced longer operative times (252.3 ± 120.9 minutes vs 191.1 ± 110.2 minutes, p < 0.001). Eleven patients had deep SSI (0.49%), and the most common causative organisms were methicillin-sensitive Staphylococcus aureus and methicillin-resistant S. aureus. Patients with CAD (p = 0.003) or DM (p = 0.050), and those who were male (p = 0.006), were predictors of increased odds of SSI, and presurgery CHG showers (p = 0.001) were associated with decreased odds of SSI.CONCLUSIONSThis institutional experience over a 4-year period revealed that the overall rate of SSI by the NHSN criteria was low at 0.49% following thoracolumbar surgery. This was attributable to the implementation of presurgery optimization, and intraoperative and postoperative measures to prevent SSI across the authors’ institution. Despite prevention measures, having a history of CAD or DM, and being male, were risk factors associated with increased SSI, and presurgery CHG shower utilization decreased SSI risk in patients.

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Cost–benefit analysis of surveillance for surgical site infection following caesarean section

BMJ Open ◽

10.1136/bmjopen-2020-036919 ◽

2020 ◽

Vol 10 (7) ◽

pp. e036919 ◽

Cited By ~ 2

Author(s):

Catherine Wloch ◽

Albert Jan Van Hoek ◽

Nathan Green ◽

Joanna Conneely ◽

Pauline Harrington ◽

...

Keyword(s):

Caesarean Section ◽

Health Service ◽

Surgical Site Infection ◽

Effective Means ◽

Surgical Site Infections ◽

Infection Risk ◽

Baseline Risk ◽

Site Infection ◽

Risk Of Infection ◽

Surveillance Strategy

ObjectiveTo estimate the economic burden to the health service of surgical site infection following caesarean section and to identify potential savings achievable through implementation of a surveillance programme.DesignEconomic model to evaluate the costs and benefits of surveillance from community and hospital healthcare providers’ perspective.SettingEngland.ParticipantsWomen undergoing caesarean section in National Health Service hospitals.Main outcome measureCosts attributable to treatment and management of surgical site infection following caesarean section.ResultsThe costs (2010) for a hospital carrying out 800 caesarean sections a year based on infection risk of 9.6% were estimated at £18 914 (95% CI 11 521 to 29 499) with 28% accounted for by community care (£5370). With inflation to 2019 prices, this equates to an estimated cost of £5.0 m for all caesarean sections performed annually in England 2018–2019, approximately £1866 and £93 per infection managed in hospital and community, respectively. The cost of surveillance for a hospital for one calendar quarter was estimated as £3747 (2010 costs). Modelling a decrease in risk of infection of 30%, 20% or 10% between successive surveillance periods indicated that a variable intermittent surveillance strategy achieved higher or similar net savings than continuous surveillance. Breakeven was reached sooner with the variable surveillance strategy than continuous surveillance when the baseline risk of infection was 10% or 15% and smaller loses with a baseline risk of 5%.ConclusionSurveillance of surgical site infections after caesarean section with feedback of data to surgical teams offers a potentially effective means to reduce infection risk, improve patient experience and save money for the health service.

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Incidence and risk factors of surgical site infection following colorectal surgery in China: a national cross-sectional study

BMC Infectious Diseases ◽

10.1186/s12879-020-05567-6 ◽

2020 ◽

Vol 20 (1) ◽

Author(s):

Xufei Zhang ◽

Zhiwei Wang ◽

Jun Chen ◽

Peige Wang ◽

Suming Luo ◽

...

Keyword(s):

Risk Factors ◽

Colorectal Surgery ◽

Surgical Site Infection ◽

Large Scale ◽

Risk Index ◽

Cross Sectional Study ◽

Site Infection ◽

Cross Sectional ◽

Medical Expenses ◽

Related Risk

Abstract Purposes Surgical site infection (SSI) after colorectal surgery is a frequent complication associated with the increase in morbidity, medical expenses, and mortality. To date, there is no nationwide large-scale database of SSI after colorectal surgery in China. The aim of this study was to determine the incidence of SSI after colorectal surgery in China and to further evaluate the related risk factors. Methods Two multicenter, prospective, cross-sectional studies covering 55 hospitals in China and enrolling adult patients undergoing colorectal surgery were conducted from May 1 to June 30 of 2018 and the same time of 2019. The demographic and perioperative characteristics were collected, and the main outcome was SSI within postoperative 30 days. Multivariable logistic regressions were conducted to predict risk factors of SSI after colorectal surgery. Results In total, 1046 patients were enrolled and SSI occurred in 74 patients (7.1%). In the multivariate analysis with adjustments, significant factors associated with SSI were the prior diagnosis of hypertension (OR, 1.903; 95% confidence interval [CI], 1.088–3.327, P = 0.025), national nosocomial infection surveillance risk index score of 2 or 3 (OR, 3.840; 95% CI, 1.926–7.658, P < 0.001), laparoscopic or robotic surgery (OR, 0.363; 95% CI, 0.200–0.659, P < 0.001), and adhesive incise drapes (OR, 0.400; 95% CI, 0.187–0.855, P = 0.018). In addition, SSI group had remarkably increased length of postoperative stays (median, 15.0 d versus 9.0d, P < 0.001), medical expenses (median, 74,620 yuan versus 57,827 yuan, P < 0.001), and the mortality (4.1% versus 0.3%, P = 0.006), compared with those of non-SSI group. Conclusion This study provides the newest data of SSI after colorectal surgery in China and finds some predictors of SSI. The data presented in our study can be a tool to develop optimal preventive measures and improve surgical quality in China.

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