scholarly journals Cryptosporidiosis in HIV-positive patients and related risk factors: A systematic review and meta-analysis

Parasite ◽  
2020 ◽  
Vol 27 ◽  
pp. 27
Author(s):  
Ehsan Ahmadpour ◽  
Hanie Safarpour ◽  
Lihua Xiao ◽  
Mehdi Zarean ◽  
Kareem Hatam-Nahavandi ◽  
...  
Keyword(s):  
Risk Factors ◽  
Data Extraction ◽  
Meta Analysis ◽  
Diagnostic Methods ◽  
Detection Methods ◽  
Hiv Positive ◽  
Pooled Prevalence ◽  
Related Risk ◽  
Study Population ◽  
Staining Methods

Cryptosporidium is one of the major causes of diarrhea in HIV-positive patients. The aim of this study is to systematically review and meta-analyze the prevalence of Cryptosporidium in these patients. PubMed, Science Direct, Google Scholar, Web of Science, Cochrane and Ovid databases were searched for relevant studies dating from the period of 1 January 2000 to 31 December 2017. Data extraction for the included studies was performed independently by two authors. The overall pooled prevalence was calculated and subgroup analysis was performed on diagnostic methods, geographical distribution and study population. Meta-regression was performed on the year of publication, proportion of patients with diarrhea, and proportion of patients with CD4 < 200 cells/mL. One hundred and sixty-one studies and 51,123 HIV-positive participants were included. The overall pooled prevalence of Cryptosporidium infection in HIV-positive patients was 11.2% (CI95%: 9.4%–13.0%). The pooled prevalence was estimated to be 10.0% (CI95%: 8.4%–11.8%) using staining methods, 13.5% (CI95%: 8.9%–19.8%) using molecular methods, and 26.3% (CI95%: 15.0%–42.0%) using antigen detection methods. The prevalence of Cryptosporidium in HIV patients was significantly associated with the country of study. Also, there were statistical differences between the diarrhea, CD4 < 200 cells/mL, and antiretroviral therapy risk factors with Cryptosporidiosis. Thus, Cryptosporidium is a common infection in HIV-positive patients, and safe water and hand-hygiene should be implemented to prevent cryptosporidiosis occurrence in these patients.

scholarly journals Overweight and Obesity Among Adult HIV Infected Peoples Receiving ART in Ethiopia: A Systematic Review and Meta-Analysis

2021 ◽  
Vol 12 ◽  
pp. 215013272199364
Author(s):  
Robel Hussen Kabthymer ◽  
Solomon Nega Techane ◽  
Temesgen Muche ◽  
Helen Ali Ewune ◽  
Semagn Mekonnen Abate ◽  
...  
Keyword(s):  
Publication Bias ◽  
Addis Ababa ◽  
Data Extraction ◽  
Meta Analysis ◽  
Overweight And Obesity ◽  
Obesity And Overweight ◽  
Pooled Prevalence ◽  
Nutrition And Diet ◽  
Prevalence Of Obesity ◽  
Trim And Fill

Background: Over-nutrition and diet-linked non-communicable morbidities are showing increasing trend overtime. Even if there are different factors that affect the change in BMI other than ART, several authors have reported increases in BMI among PLHIV on treatment that are equal to or surpass the general population. This study is aimed to estimate the prevalence of obesity and overweight among adult HIV infected peoples taking ART in Ethiopia. Method: PubMed, CINAHL, Web of science, global health and Google scholar electronic databases were used to perform a systematic literature search. Two authors independently extracted all the necessary data using a structured data extraction format. Data analysis was done using STATA Version 14. The heterogeneity of the studies was assessed by using I2 test. A random-effects model was used to estimate the pooled prevalence. Publication bias was checked using Funnel plot and Egger’s test. Result: Two thousand seven hundred and fifty-one studies were reviewed and 13 studies fulfilling the inclusion criteria were included in the meta-analysis. The meta-analysis of 13 studies, comprising 4994 participants resulted in pooled prevalence of overweight to be 17.85% (95% CI: 12.22-23.47). Whereas, the pooled prevalence of overweight was found to be 3.90 (95% CI: 2.31-5.49) but after adjusting for publication bias using trim and fill analysis it has become 3.58 (95% CI: 2.04-5.13). Magnitude of both overweight and obesity was higher in studies conducted in Addis Ababa, studies done after 2016 and studies having sample size of less than 400, in subgroup analysis. Conclusion: The magnitude of overweight and obesity among HIV infected peoples taking ART in Ethiopia is high. There is a need to have a routine screening to PLWHA on the risk of over-nutrition in order to facilitate early detection.

Multicentre Study of Endo-Ectoparasite Infection in Italian Cats

2021 ◽  
Author(s):  
Marco Genchi ◽  
ALICE VISMARRA ◽  
STEFANIA ZANET ◽  
SIMONE MORELLI ◽  
ROBERTA GALUPPI ◽  
...  
Keyword(s):  
Risk Factors ◽  
Geographic Area ◽  
Human Infection ◽  
Diagnostic Methods ◽  
Effective Control ◽  
Entire Study ◽  
Private Households ◽  
Health Concept ◽  
Study Population ◽  
The One

Abstract BackgroundParasites infecting cats include protozoa, helminths and arthropods. Many are also transmissible to humans. Effective control relies on knowledge of parasite distribution and risk factors for infection. The present study was aimed at evaluating prevalence of major feline parasites in Italy and risk factors associated with their occurrence.MethodsOver a 12-month study period, thirteen study centers across Italy analyzed feces, hair and ectoparasites from naturally infected cats coming from feral colonies, shelters and private households. Samples from cats (n=987) were analyzed by all centers using the same diagnostic methods. Prevalence values and risk factors were evaluated statistically for identification of predictors of risk. ResultsThe overall prevalence of gastro-intestinal (GI) and bronco-pulmonary (BP) nematodes was 35.9% (354/987). T. cati was the most prevalent species (253/987; 25.6%), followed by hookworms (98/987; 9.9%). Among BP nematodes, A. abstrusus was the most common (76/987; 7.7%). Approximately 35.7% (352/987) of the study population was infested by ectoparasites. The most common were fleas 29.4% (290/987), followed by ear mites O. cynotis 9.8% (97/987).Predictors of risk for parasite infection included age, a predominantly or exclusively outdoor lifestyle, geographic area and lack of anti-parasitic treatment.ConclusionBoth ecto- and endoparasites are still common in cats throughout Italy, many of them being of zoonotic concern and vectors of pathogens to humans. Given the presence of parasites throughout the entire study period, year-round treatment should be considered. Furthermore, data confirm the need to protect the human-animal bond using proper endo- and ecto-parasiticides to reduce the risk of human infection, in application of the One-Health concept.

scholarly journals Prevalence and impact of frailty in patients with atrial fibrillation: a systematic review and meta-analysis

2021 ◽  
Vol 42 (Supplement_1) ◽  
Author(s):  
M Proietti ◽  
G.F Romiti ◽  
V Raparelli ◽  
I Diemberger ◽  
G Boriani ◽  
...  
Keyword(s):  
Risk Factors ◽  
Atrial Fibrillation ◽  
Systematic Review ◽  
Meta Analysis ◽  
Frailty Index ◽  
Prevalence Odds Ratio ◽  
Frail Patients ◽  
Pooled Prevalence ◽  
Increased Risk ◽  
Inconsistency Index

Abstract Background Frailty is a clinical syndrome characterized by a reduced physiologic function, increased vulnerability to stressors, and an increased risk of adverse outcomes. Patients with Atrial Fibrillation (AF) are often burdened with a high number of comorbidities and prone to frailty. The prevalence of frailty, its management and association with major outcomes in patients with AF are still unclear. Purpose To estimate the pooled prevalence of frailty in patients with AF, as well as its association with AF-related risk factors and comorbidities, oral anticoagulants (OAC) prescription, and major outcomes. Methods We systematically searched PubMed and EMBASE, from inception to 31st January 2021, for studies reporting the prevalence of frailty (irrespective of the tool used for assessment). Pooled prevalence, odds ratio (OR), and 95% Confidence Intervals (CI) were computed using random-effect models; heterogeneity was assessed through the inconsistency index (I2). This study was registered in PROSPERO: CRD42021235854. Results A total of 1,116 studies were retrieved from the literature search, and 31 were finally included in the systematic review (n=842,521 patients). The frailty pooled prevalence was 39.6% (95% CI=29.2%-51.0%, I2=100%; Figure 1). Significant subgroup differences were observed according to geographical location (higher prevalence found in European-based cohorts; p=0.003) and type of tool used for the assessment (higher prevalence in studies using the Clinical Frailty Scale and Tilburg Frailty Index tools; p&lt;0.001). Meta-regressions showed that study-level mean age and prevalence of hypertension, diabetes, and history of stroke were directly associated with frailty prevalence. Frailty was significantly associated with a 29% reduced probability of OAC prescription in observational studies (OR=0.71, 95% CI=0.62–0.81). Frail patients with AF were at higher risk of all-cause death (OR=4.12, 95% CI=3.15–5.41), ischemic stroke (OR=1.55, 95% CI=1.01–2.38), and bleeding (OR=1.55, 95% CI=1.12–2.14), compared to non-frail patients with AF. Conclusions In this systematic review and meta-analysis analysis, the prevalence of frailty was high in patients with AF, and associated with study-level mean age and prevalence of several stroke risk factors. Frailty may influence the management of patients, and worsening the prognosis for all major AF-related outcomes. FUNDunding Acknowledgement Type of funding sources: None. Prevalence of Frailty among AF patients

scholarly journals Medication-Related Osteonecrosis of the Jaw in Patients Treated Concurrently with Antiresorptive and Antiangiogenic Agents: Systematic Review and Meta-Analysis

2021 ◽  
Author(s):  
Akanksha Srivastava ◽  
Graciela M. Nogueras Gonzalez ◽  
Yimin Geng ◽  
Alexander M. Won ◽  
Jeffrey Myers ◽  
...  
Keyword(s):  
Relative Risk ◽  
Data Extraction ◽  
Meta Analysis ◽  
Osteonecrosis Of The Jaw ◽  
Accurate Estimation ◽  
Antiangiogenic Agents ◽  
Study Selection ◽  
Pooled Prevalence ◽  
Exposure Variable ◽  
Retrospective Cohort Studies

ABSTRACT Introduction Medication-related osteonecrosis of the jaws (MRONJ) is a known adverse event related to the use of antiresorptive (AR) drugs. More recently, an association between antiangiogenic (AA) drugs and MRONJ has been suggested. This review aimed to investigate the overall prevalence and relative risk of MRONJ in patients treated concurrently with AA and AR agents in comparison with a single AA or AR drug. Methods A review protocol was registered with PROSPERO (ID: CRD42020214244). A systematic literature search, study selection, quality assessment, and data extraction were carried out following PRISMA guidelines. Random-effects meta-analysis models were used to summarize relative estimates for the outcomes, namely prevalence and relative risk of MRONJ. Exposure variable included type of drug, specifically AA and AR agents administered either concurrently or individually. Results Eleven studies were included in the final qualitative and quantitative syntheses. The overall pooled weighted prevalence of MRONJ with concurrent AA-AR drugs was 6% (95% CI: 3–8%), compared with 0% (95% CI: 0–0%) for AA only and 5% (95% CI: 0–10%) for AR only. However, high heterogeneity was noted among included studies. Retrospective cohort studies showed a higher pooled prevalence of 13% (95% CI: 10–17%) for concurrent AA-AR therapy. The pooled risk ratio for MRONJ revealed a risk with concurrent AA-AR drugs 2.57 times as high as with AR only (95% CI: 0.84–7.87); however, this difference was not statistically significant. Concurrent AA-AR drugs had a risk for MRONJ 23.74 times as high as with AA only (95% CI: 3.71–151.92). Conclusions High-quality, representative studies are needed for accurate estimation of relative risk of MRONJ with concurrent AA and AR therapy.

scholarly journals Patients’ risk factors for periprosthetic joint infection in primary total hip arthroplasty: a meta-analysis of 40 studies

2021 ◽  
Vol 22 (1) ◽  
Author(s):  
Xiaolei Ren ◽  
Lin Ling ◽  
Lin Qi ◽  
Zhongyue Liu ◽  
Wenchao Zhang ◽  
...  
Keyword(s):  
Risk Factors ◽  
Femoral Neck ◽  
Femoral Neck Fracture ◽  
Meta Analysis ◽  
Joint Infection ◽  
Female Gender ◽  
Opioid Use ◽  
Related Risk ◽  
Modifiable Factors ◽  
Neck Fracture

Abstract Background Periprosthetic joint infection (PJI) is a catastrophic complication after total hip arthroplasty (THA). Our meta-analysis aimed to identify the individual-related risk factors that predispose patients to PJI following primary THA. Methods Comprehensive literature retrieval from Pubmed, Web of Science, and the Cochrane Library was performed from inception to Feb 20th, 2021. Patient-related risk factors were compared as per the modifiable factors (BMI, smoke and alcohol abuse), non-modifiable factors (gender, age), and medical history characteristics, such as diabetes mellitus (DM), avascular necrosis (AVN) of femoral head, femoral neck fracture, rheumatoid arthritis (RA), cardiovascular disease (CVD), and osteoarthritis (OA) etc. The meta-analysis was applied by using risk ratios with 95% corresponding intervals. Sensitivity analysis and publication bias were performed to further assess the credibility of the results. Results Overall, 40 studies with 3,561,446 hips were enrolled in our study. By implementing cumulative meta-analysis, higher BMI was found associated with markedly increased PJI risk after primary THA [2.40 (2.01–2.85)]. Meanwhile, medical characteristics including DM [1.64 (1.25–2.21)], AVN [1.65 (1.07–2.56)], femoral neck fracture [1.75 (1.39–2.20)], RA [1.37 (1.23–1.54)], CVD [1.34 (1.03–1.74)], chronic pulmonary disease (CPD) [1.22 (1.08–1.37)], neurological disease [1.19 (1.05–1.35)], opioid use [1.53 (1.35–1.73)] and iron-deficiency anemia (IDA) [1.15 (1.13–1.17)] were also significantly correlated with higher rate of PJI. Conversely, dysplasia or dislocation [0.65 (0.45–0.93)], and OA [0.70 (0.62–0.79)] were protective factors. Of Note, female gender was protective for PJI only after longer follow-up. Besides, age, smoking, alcohol abuse, previous joint surgery, renal disease, hypertension, cancer, steroid use and liver disease were not closely related with PJI risk. Conclusion Our finding suggested that the individual-related risk factors for PJI after primary THA included high BMI, DM, AVN, femoral neck fracture, RA, CVD, CPD, neurological disease, opioid use and IDA, while protective factors were female gender, dysplasia/ dislocation and OA.

scholarly journals Risk factors associated with echinococcosis in Chinese general population: a meta-analysis and systematic review

2021 ◽  
Author(s):  
tiantian zhang ◽  
Bin Li ◽  
Yuying Liu ◽  
Shou Liu
Keyword(s):  
Risk Factors ◽  
Subgroup Analysis ◽  
Human Life ◽  
Meta Analysis ◽  
Test Results ◽  
Knowledge Infrastructure ◽  
Pooled Prevalence ◽  
Specific Subgroup ◽  
And Control ◽  
Chinese National Knowledge Infrastructure

Abstract Background Echinococcosis is a severe zoonotic disease that imposes a substantial burden on human life. Numerous studies on echinococcosis have involved a variety of risk factors, and it is difficult to evaluate the key risk factors. The objectives of this meta-analysis are to summarize available data on the prevalence of human echinococcosis and identify the key risk factors for echinococcosis. Methods Relevant studies were comprehensively searched in the PubMed, EMBASE, Web of Science, Cochrane, Chinese National Knowledge Infrastructure (CNKI), Chongqing VIP Information (VIP), Wanfang and SinoMed databases from database inception until August 22, 2020. A random-effects model was used to estimate the pooled odds ratio (OR) and 95% confidence interval (CI) by integrating the OR values of each risk factor. The I2 and Q statistics were calculated to evaluate the heterogeneity, and potential sources of heterogeneity were identified using sensitivity analysis and subgroup analysis. Publication bias was estimated by funnel plots and Egger’s test. Results A total of 1026 studies were identified through the database search, of which 26 were eligible for this meta-analysis. In total, 23 and 9 of the 26 studies were cystic echinococcosis (CE) and alveolar echinococcosis (AE) studies, respectively (6 papers included both AE and CE). The pooled prevalence of echinococcosis was 5.52% (95% CI: 5.47%-5.58%). Ethnicity (OR = 2.93, 95% CI: 1.81–4.75; I2 = 0), being a herder (OR = 2.66, 95%CI95% CI: 2.25–3.14; I2 = 8%), not washing hands before meals (OR = 2.40, 95% CI: 1.34–4.28; I2 = 82.8%) and being female (OR = 1.45, 95% CI: 1.26–1.66; I2 = 33.9%) were risk factors for AE. The top five risk factors for CE were ethnicity (OR = 3.18, 95% CI: 1.55–6.52; I2 = 79.2%), nomadism (OR = 2.71, 95% CI: 1.65–4.47; I2 = 55.8%), drinking nonboiled water (OR = 2.47, 95% CI: 1.36–4.47; I2 = 85.7), feeding viscera to dogs (OR = 2.35, 95% CI: 1.89–2.91; I2 = 21.5%), and being a herder (OR = 2.19, 95% CI: 1.67–2.86; I2 = 85.1%). The study design-specific subgroup analysis showed that the heterogeneity of CE risk factors decreased to varying degrees. Conclusions Specific characteristics (i.e., ethnicity and herder status) and behaviors (i.e., not washing hands before meals and feeding viscera to dogs ) are possible risk factors for echinococcosis. This study provided remarkable insight for future prevention and control of echinococcosis.

scholarly journals Prevalence and risk factors associated with birth asphyxia among neonates delivered in Ethiopia: A systematic review and meta-analysis

PLoS ONE ◽  
2021 ◽  
Vol 16 (8) ◽  
pp. e0255488
Author(s):  
Ritbano Ahmed ◽  
Hassen Mosa ◽  
Mohammed Sultan ◽  
Shamill Eanga Helill ◽  
Biruk Assefa ◽  
...  
Keyword(s):  
Risk Factors ◽  
Systematic Review ◽  
Meta Analysis ◽  
Grey Literature ◽  
Birth Asphyxia ◽  
Public Health Problem ◽  
Cochrane Library ◽  
Chronic Hypertension ◽  
Factors Associated ◽  
Pooled Prevalence

Background A number of primary studies in Ethiopia address the prevalence of birth asphyxia and the factors associated with it. However, variations were seen among those studies. The main aim of this systematic review and meta-analysis was carried out to estimate the pooled prevalence and explore the factors that contribute to birth asphyxia in Ethiopia. Methods Different search engines were used to search online databases. The databases include PubMed, HINARI, Cochrane Library and Google Scholar. Relevant grey literature was obtained through online searches. The funnel plot and Egger’s regression test were used to see publication bias, and the I-squared was applied to check the heterogeneity of the studies. Cross-sectional, case-control and cohort studies that were conducted in Ethiopia were also be included. The Joanna Briggs Institute checklist was used to assess the quality of the studies and was included in this systematic review. Data entry and statistical analysis were carried out using RevMan 5.4 software and Stata 14. Result After reviewing 1,125 studies, 26 studies fulfilling the inclusion criteria were included in the meta-analysis. The pooled prevalence of birth asphyxia in Ethiopia was 19.3%. In the Ethiopian context, the following risk factors were identified: Antepartum hemorrhage(OR: 4.7; 95% CI: 3.5, 6.1), premature rupture of membrane(OR: 4.0; 95% CI: 12.4, 6.6), primiparas(OR: 2.8; 95% CI: 1.9, 4.1), prolonged labor(OR: 4.2; 95% CI: 2.8, 6.6), maternal anaemia(OR: 5.1; 95% CI: 2.59, 9.94), low birth weight(OR = 5.6; 95%CI: 4.7,6.7), meconium stained amniotic fluid(OR: 5.6; 95% CI: 4.1, 7.5), abnormal presentation(OR = 5.7; 95% CI: 3.8, 8.3), preterm birth(OR = 4.1; 95% CI: 2.9, 5.8), residing in a rural area (OR: 2.7; 95% CI: 2.0, 3.5), caesarean delivery(OR = 4.4; 95% CI:3.1, 6.2), operative vaginal delivery(OR: 4.9; 95% CI: 3.5, 6.7), preeclampsia(OR = 3.9; 95% CI: 2.1, 7.4), tight nuchal cord OR: 3.43; 95% CI: 2.1, 5.6), chronic hypertension(OR = 2.5; 95% CI: 1.7, 3.8), and unable to write and read (OR = 4.2;95%CI: 1.7, 10.6). Conclusion According to the findings of this study, birth asphyxia is an unresolved public health problem in the Ethiopia. Therefore, the concerned body needs to pay attention to the above risk factors in order to decrease the country’s birth asphyxia. Review registration PROSPERO International prospective register of systematic reviews (CRD42020165283).

scholarly journals Lifestyle related risk factors of coronary artery disease patients in Nepal

2019 ◽  
Vol 29 (Supplement_4) ◽  
Author(s):  
P Gaudel ◽  
M Kaunonen ◽  
S Neupane ◽  
K Joronen ◽  
A M Koivisto ◽  
...  
Keyword(s):  
Risk Factors ◽  
Coronary Artery Disease ◽  
Risk Factor ◽  
Coronary Artery ◽  
Categorical Variables ◽  
Dietary Habit ◽  
Total Study Population ◽  
Related Risk ◽  
Study Population ◽  
Artery Disease

Abstract Background Coronary Artery Disease (CAD) is a leading cause of morbidity and mortality and serious health problem worldwide. It is important to observe lifestyle related risk factors in patients with CAD for effective planning and implementation of secondary prevention strategies. The aim of this study is to describe the prevalence of lifestyle related risk factor habits among the patients with CAD. Methods A cross-sectional study was conducted among CAD patients in a tertiary care national heart center in Kathmandu, Nepal. Six lifestyle related factors (dietary habit, smoking, alcohol consumption, stress, physical activity and adherence to medication) and Body Mass Index were used as the risk factors of CAD in this study. Individual face-to-face structured interview was conducted using culturally validated standard instruments. The descriptive characteristics were presented as frequencies and percentages for categorical variables and as mean ± standard deviation (SD) or median and interquartile range (IQR) otherwise. Results In total study population, the mean age of the patients was 59.9 years and 76% were male. Patients having any three risk factors out of seven were the most common (36%) followed by two risk factors (25%) and four risk factors (22%). About 32% of study population were current smokers, whereas 29% were former smokers. Likewise, 31% of the total were physically inactive. Majority of the patients 95% had perceived moderate stress. Conclusions The prevalence of lifestyle related risk factors is high among CAD patients in study population. Combination of any three lifestyle related risk factors were the most common among patients. Therefore, studies focusing on lifestyle risk factor modification intervention on particular groups is recommended. Key messages Need to improve awareness about lifestyle related risk factors among CAD patients. Highlight the importance of lifestyle counselling.

scholarly journals Prevalence of and risk factors for Plasmodium spp. co-infection with hepatitis B virus: a systematic review and meta-analysis

2020 ◽  
Vol 19 (1) ◽  
Author(s):  
Kwuntida Uthaisar Kotepui ◽  
Manas Kotepui
Keyword(s):  
Risk Factors ◽  
Systematic Review ◽  
Hepatitis B Virus ◽  
Meta Analysis ◽  
Infection Group ◽  
Pooled Prevalence ◽  
B Virus ◽  
The Difference ◽  
Meta Analyses

Abstract Background Plasmodium spp. and hepatitis B virus (HBV) are among the most common infectious diseases in underdeveloped countries. This study aimed to determine the prevalence of Plasmodium spp. and HBV co-infection in people living in endemic areas of both diseases and to assess the risk factors related to this co-infection. Methods The PubMed, Web of Science, and Scopus databases were searched. Observational cross-sectional studies and retrospective studies assessing the prevalence of Plasmodium species and HBV co-infection were examined. The methodological quality of the included studies was assessed with the Newcastle-Ottawa Scale (NOS), a tool for assessing the quality of nonrandomized studies in meta-analyses, and heterogeneity among the included studies was assessed with Cochran's Q test and the I2 (inconsistency) statistic. The pooled prevalence of the co-infection and its 95% confidence interval (CI) were estimated using the random-effects model, depending on the amount of heterogeneity there was among the included studies. The pooled odds ratio (OR) represented the difference in qualitative variables, whereas the pooled mean difference (MD) represented the difference in quantitative variables. Meta-analyses of the potential risk factors for Plasmodium spp. and HBV co-infection, including patient age and gender, were identified and represented as pooled odds ratios (OR) and 95% CIs. Publication bias among the included studies was assessed by visual inspection of a funnel plot to search for asymmetry. Results Twenty-two studies were included in the present systematic review and meta-analysis. Overall, the pooled prevalence estimate of Plasmodium spp. and HBV co-infection was 6% (95% CI 4–7%, Cochran's Q statistic < 0.001, I2: 95.8%), with prevalences of 10% in Gambia (95% CI: 8–12%, weight: 4.95%), 8% in Italy (95% CI 5–12%, weight: 3.8%), 7% in Nigeria (95% CI 4–10%, weight: 53.5%), and 4% in Brazil (95% CI 2–5%, weight: 19.9%). The pooled prevalence estimate of Plasmodium spp. and HBV co-infection was higher in studies published before 2015 (7%, 95% CI 4–9%, Cochran's Q statistic < 0.001, I2: 96%) than in those published since 2015 (3%, 95% CI 1–5%, Cochran's Q statistic < 0.001, I2: 81.3%). No difference in age and risk of Plasmodium spp. and HBV co-infection group was found between the Plasmodium spp. and HBV co-infection and the Plasmodium monoinfection group (p: 0.48, OR: 1.33, 95% CI 0.60–2.96). No difference in gender and risk of Plasmodium spp. and HBV co-infection group was found between the Plasmodium spp. and HBV co-infection and HBV co-infection group and the Plasmodium monoinfection group (p: 0.09, OR: 2.79, 95% CI 0.86–9.10). No differences in mean aspartate aminotransferase (AST), mean alanine aminotransferase (ALT), or mean total bilirubin levels were found (p > 0.05) between the Plasmodium spp. and HBV co-infection group and the Plasmodium monoinfection group. Conclusions The present study revealed the prevalence of Plasmodium spp. and HBV co-infection, which will help in understanding co-infection and designing treatment strategies. Future studies assessing the interaction between Plasmodium spp. and HBV are recommended.

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