scholarly journals HIV infection and increased risk of COVID-19 mortality: A Meta-Analysis

2021 ◽  
Author(s):  
J Hamidreza Kouhpayeh ◽  
Hossein Ansari
Keyword(s):  
Hiv Infection ◽  
Odds Ratio ◽  
Meta Analysis ◽  
Hiv Positive ◽  
Forest Plot ◽  
P Value ◽  
Crude Odds Ratio ◽  
Increased Risk ◽  
Consistent Treatment ◽  
Immunodeficiency Syndrome

There are some concerns on the effect of infection with human immunodeficiency virus (HIV) and acquired immunodeficiency syndrome (AIDS) on the outcome and mortality of COVID-19. In this meta-analysis, we aimed to address this issue and assess the risk of mortality in COVID-19 patients who are co-infected with HIV. Two International electronic databases (PubMed, Scopus) were searched from the first time available to 12 August 2021. The targeted outcome was the pooled odds ratio to examine the effect of HIV infection on COVID-19 mortality. The crude odds ratio (OR) for all studies and the pooled OR were calculated with 95% confidence interval. The forest plot was used to graphically represent the result of conducted meta-analysis and calculated OR for individual studies. The I2 statistic was used to examine the Heterogeneity in the included studies. Eleven studies were included in our study consisting of 19,642,775 COVID-19 infected cases, 59,980 HIV-positive, and 4,373 deaths due to COVID-19 in HIV positive patients. The overall pooled odds ratio was 1.21 (CI: 1.02; 1.43) and P-value < 0.0277. The I^2 value was 89% (P-value < 0.0001), which shows that included studies are heterogeneous. In this study, the funnel plot analysis showed symmetry among the included studies. HIV-positive patients are 21% more likely to die because of COVID-19 infection than people without HIV. Special attention should be considered for the prevention and treatment of COVID-19 and consistent treatment for HIV infection, in HIV-positive patients.

scholarly journals EFFECT OF FULL VACCINATION AND POST-COVID OLFACTORY DYSFUNCTION IN RECOVERED COVID-19 PATIENT. A RETROSPECTIVE LONGITUDINAL STUDY WITH PROPENSITY MATCHING.

2022 ◽  
Author(s):  
Bumi Herman ◽  
Pramon Viwattanakulvanid ◽  
Azhar Dzulhadj ◽  
Aye Chan Oo ◽  
Karina Patricia ◽  
...  
Keyword(s):  
Odds Ratio ◽  
Neck Surgery ◽  
Olfactory Dysfunction ◽  
P Value ◽  
Online Questionnaire ◽  
Crude Odds Ratio ◽  
Symptomatic Disease ◽  
Increased Risk ◽  
Viral Vaccine ◽  
Propensity Matching

Background Symptoms after Coronavirus Disease (COVID-19) infection affect the quality of life of its survivor especially to the special senses including olfactory function. It is important to prevent the disability at an earlier stage. Vaccination as key prevention has been proven to be effective in reducing symptomatic disease and severity. However, the effects of vaccination on post COVID symptoms have not been evaluated. This study aimed to evaluate the possible protection of full vaccination and the occurrence of post-COVID olfactory dysfunction, specifically anosmia, and hyposmia in patients who were diagnosed with COVID-19. Method A longitudinal analysis using the retrospective cohort of the Indonesian patient-based Post-COVID-19 survey collected from July 2021 until December 2021, involving COVID-19 Patients confirmed by Real-Time Polymerase Chain Reaction (RT-PCR) and/or Antigen test. Variables including demography, comorbidities, health behavior, type of vaccine, symptoms, and treatment were collected through an online questionnaire based on the American Academy of Otolaryngology-Head and Neck Surgery (AAO-HNS). Participants were matched (1:1) using propensity matching score into two exposure statuses, infected 1)>14 days of full vaccination and 2)<14 days or incomplete or unvaccinated. The olfactory dysfunction was assessed two weeks and four weeks after negative conversion with PCR using a self-measured olfactory questionnaire (MOQ). The Generalized Estimating Equation (GEE) was performed to assess the effect of full vaccination on post-COVID-19 olfactory dysfunction. The Receiver Operating Characteristic determined the sensitivity and specificity of the cutoff value of the days from fully vaccinated to diagnosis and the olfactory dysfunction. Results A total of 442 participants were extracted from the cohort and inoculated with the inactivated viral vaccine (99.5%). The prevalence of olfactory dysfunction in two weeks was 9.95% and 5.43% after four weeks. Adjusted by other variables, people who were infected >14 days after being fully vaccinated had a 69% (adjusted Odds Ratio / aOR 0.31 95% CI 0.102-0.941) probability of developing olfactory dysfunction. Longer days of fully vaccinated to infection are associated with increased risk (aOR 1.012 95% CI 1.002-1.022 p-value 0.015). A cut-off of 88 days of full vaccination-to-diagnosis duration has Area Under Curve (AUC) of 0.693 (p=0.002), the sensitivity of 73.9%, and specificity of 63.3% in differentiating the olfactory dysfunction event in two weeks after COVID-19 with a crude odds ratio of 4.852 (95% CI 1.831-12.855 p=0.001) Conclusion After 14 days of full vaccination, the protective effect could reduce the chance of post-COVID olfactory dysfunction although a longer full vaccination-to-diagnosis duration increases the risk. It is important to consider a booster shot starting from 89 days after the last dose in those who received the inactivated viral regimen.

The association of parental fatal and non-fatal suicidal behaviour with offspring suicidal behaviour and depression: a systematic review and meta-analysis

2011 ◽  
Vol 42 (8) ◽  
pp. 1567-1580 ◽  
Author(s):  
G. Geulayov ◽  
D. Gunnell ◽  
T. L. Holmen ◽  
C. Metcalfe
Keyword(s):  
Suicidal Behaviour ◽  
Affective Disorders ◽  
Odds Ratio ◽  
Fixed Effects ◽  
Attempted Suicide ◽  
Meta Analysis ◽  
Female Offspring ◽  
Crude Odds Ratio ◽  
Increased Risk ◽  
The Impact

BackgroundChildren whose parents die by, or attempt, suicide are believed to be at greater risk of suicidal behaviours and affective disorders. We systematically reviewed the literature on these associations and, using meta-analysis, estimated the strength of associations as well as investigated potential effect modifiers (parental and offspring gender, offspring age).MethodWe comprehensively searched the literature (Medline, PsycINFO, EMBASE, Web of Science), finding 28 articles that met our inclusion criteria, 14 of which contributed to the meta-analysis. Crude odds ratio and adjusted odds ratio (aOR) were pooled using fixed-effects models.ResultsControlling for relevant confounders, offspring whose parents died by suicide were more likely than offspring of two living parents to die by suicide [aOR 1.94, 95% confidence interval (CI) 1.54–2.45] but there were heterogeneous findings in the two studies investigating the impact on offspring suicide attempt (aOR 1.31, 95% CI 0.73–2.35). Children whose parents attempted suicide were at increased risk of attempted suicide (aOR 1.95, 95% CI 1.48–2.57). Limited evidence indicated that exposure to parental death by suicide is associated with subsequent risk of affective disorders. Maternal suicidal behaviour and younger age at exposure were associated with larger effect estimates but there was no evidence that the association differed in sons versus daughters.ConclusionsParental suicidal behaviour is associated with increased risk of offspring suicidal behaviour. Findings suggest that maternal suicidal behaviour is a more potent risk factor than paternal, and that children are more vulnerable than adolescents and adults. However, there is no evidence of a stronger association in either male or female offspring.

scholarly journals Association Between NAT2 Polymorphism and Lung Cancer Risk: A Systematic Review and Meta-Analysis

2021 ◽  
Vol 11 ◽  
Author(s):  
Ke Zhu ◽  
Aiqun Xu ◽  
Wanli Xia ◽  
Pulin Li ◽  
Binbin Zhang ◽  
...  
Keyword(s):  
Lung Cancer ◽  
Cancer Risk ◽  
Odds Ratio ◽  
Lung Cancer Risk ◽  
Meta Analysis ◽  
Intermediate Phenotype ◽  
Crude Odds Ratio ◽  
Increased Risk ◽  
Nat2 Polymorphism ◽  
High Incidence Rate

Lung cancer is the leading cause of cancer-related death worldwide and has a high incidence rate. N-Acetyltransferase 2 (NAT2) is a polymorphic xenobiotic enzyme, which can catalyze N-acetylation and O-acetylation of various carcinogens such as aromatic, heterocyclic amines and hydrazines. At present, many studies have explored the effects of NAT2 polymorphism on lung cancer, but we found inconsistent results. We researched 18 published studies, involving 4,016 patients and 5,469 controls, to more accurately assess the effects of NAT2 polymorphism on lung cancer risk and to investigate whether smoking is associated. We used STATA software to analyze the extracted data and used STATA for subgroup analysis, sensitivity analysis, and to perform publication bias tests. To determine the correlation, we used the crude odds ratio (ORs) with 95% confidence interval (CIs). Our study was prospectively registered in PROSPERO (CRD42020159737). The odds ratio was 1.53 (95% CI: 1.21–1.95, I² = 45.2%, P=0.104) for the NAT2 slow + intermediate phenotype versus rapid phenotype. The results suggested that people with NAT2 non-rapid (slow + intermediate) phenotype have a significantly increased risk of lung cancer. In addition, NAT2 rapid phenotype was significantly associated with reduced risk of lung cancer, compared with slow phenotype or intermediate phenotype (slow phenotype vs. rapid phenotype: OR: 1.61, 95% CI: 1.07–2.42, I²= 50%, P= 0.075; intermediate phenotype vs. rapid phenotype: OR: 1.47, 95% CI: 1.15–1.88, I²= 40.3%, P= 0.137).

Circumcision in men and the prevention of HIV infection: a 'meta-analysis' revisited

2000 ◽  
Vol 11 (3) ◽  
pp. 137-142 ◽  
Author(s):  
Nigel O'Farrell ◽  
Matthias Egger
Keyword(s):  
Systematic Review ◽  
High Risk ◽  
Hiv Infection ◽  
Male Circumcision ◽  
Odds Ratio ◽  
Meta Analysis ◽  
Risk Groups ◽  
Sub Saharan Africa ◽  
Effect Model ◽  
Increased Risk

There is debate on the role of male circumcision in HIV transmission. Most case-control and cohort studies from Africa have shown an association between a lack of circumcision and an increased risk of HIV infection in men. The evidence is conflicting, however, with cross-sectional surveys from Tanzania and Rwanda either showing no relationship or an association in the opposite direction. A recent review and meta-analysis of the literature concluded that the risk of HIV infection was lower in uncircumcised men (combined odds ratio 0.94, 95% confidence interval 0.89 to 0.99). However, the analysis was performed by simply pooling the data from 33 diverse studies, which is an inappropriate method for combining studies. We re-analysed the data, stratifying by study, and found that an intact foreskin was associated with an increased risk of HIV infection: combined odds ratio 1.43 (1.32 to 1.54) with a fixed effect model and 1.67 (1.25 to 2.24) with a random effect model. There was significant between-study heterogeneity (P < 0.0001) which was partly explained by stronger associations in studies in high-risk groups. The results from this re-analysis thus support the contention that male circumcision may offer protection against HIV infection, particularly in high-risk groups where genital ulcers and other STDs 'drive' the HIV epidemic. A systematic review is required to clarify this issue. Such a review should be based on an extensive search for relevant studies, published and unpublished, and should include a careful assessment of the design and methodological quality of studies. Much emphasis should be given to the exploration of possible sources of heterogeneity. In view of the continued high prevalence and incidence of HIV in many countries in sub-Saharan Africa, the question of whether circumcision could contribute to prevent infections is of great importance, and a sound systematic review of the available evidence should be performed without delay.

scholarly journals Adolescent, Pregnant, and HIV-Infected: Risk of Adverse Pregnancy and Perinatal Outcomes in Young Women from Southern Mozambique

2021 ◽  
Vol 10 (8) ◽  
pp. 1564
Author(s):  
Clara Pons-Duran ◽  
Aina Casellas ◽  
Azucena Bardají ◽  
Anifa Valá ◽  
Esperança Sevene ◽  
...  
Keyword(s):  
Hiv Infection ◽  
Maternal Morbidity ◽  
Low Birthweight ◽  
Negative Binomial ◽  
Perinatal Outcomes ◽  
Sub Saharan Africa ◽  
P Value ◽  
Increased Risk ◽  
Adverse Pregnancy ◽  
The Impact

Sub-Saharan Africa concentrates the burden of HIV and the highest adolescent fertility rates. However, there is limited information about the impact of the interaction between adolescence and HIV infection on maternal health in the region. Data collected prospectively from three clinical trials conducted between 2003 and 2014 were analysed to evaluate the association between age, HIV infection, and their interaction, with the risk of maternal morbidity and adverse pregnancy and perinatal outcomes in women from southern Mozambique. Logistic regression and negative binomial models were used. A total of 2352 women were included in the analyses; 31% were adolescents (≤19 years) and 29% HIV-infected women. The effect of age on maternal morbidity and pregnancy and perinatal adverse outcomes was not modified by HIV status. Adolescence was associated with an increased incidence of hospital admissions (IRR 0.55, 95%CI 0.37–0.80 for women 20–24 years; IRR 0.60, 95%CI 0.42–0.85 for women >25 years compared to adolescents; p-value < 0.01) and outpatient visits (IRR 0.86, 95%CI 0.71–1.04; IRR 0.76, 95%CI 0.63–0.92; p-value = 0.02), and an increased likelihood of having a small-for-gestational age newborn (OR 0.50, 95%CI 0.38–0.65; OR 0.43, 95%CI 0.34–0.56; p-value < 0.001), a low birthweight (OR 0.40, 95%CI 0.27–0.59; OR 0.37, 95%CI 0.26–0.53; p-value <0.001) and a premature birth (OR 0.42, 95%CI 0.24–0.72; OR 0.51, 95%CI 0.32–0.82; p-value < 0.01). Adolescence was associated with an increased risk of poor morbidity, pregnancy and perinatal outcomes, irrespective of HIV infection. In addition to provision of a specific maternity care package for this vulnerable group interventions are imperative to prevent adolescent pregnancy.

scholarly journals PARP1 rs1136410 Val762Ala contributes to an increased risk of overall cancer in the East Asian population: a meta-analysis

2021 ◽  
Vol 49 (3) ◽  
pp. 030006052199295
Author(s):  
Yijuan Xin ◽  
Liu Yang ◽  
Mingquan Su ◽  
Xiaoli Cheng ◽  
Lin Zhu ◽  
...  
Keyword(s):  
Cancer Risk ◽  
Odds Ratio ◽  
Chinese Population ◽  
Meta Analysis ◽  
Asian Population ◽  
Cancer Type ◽  
East Asians ◽  
Asian Populations ◽  
Increased Risk ◽  
Meta Analyses

Objectives To investigate the association between poly(ADP-ribose) polymerase 1 ( PARP1) rs1136410 Val762Ala and cancer risk in Asian populations, as published findings remain controversial. Methods The PubMed and EMBASE databases were searched, and references of identified studies and reviews were screened, to find relevant studies. Meta-analyses were performed to evaluate the association between PARP1 rs1136410 Val762Ala and cancer risk, reported as odds ratio (OR) and 95% confidence interval (CI). Results A total of 24 studies with 8 926 cases and 15 295 controls were included. Overall, a significant association was found between PARP1 rs1136410 Val762Ala and cancer risk in East Asians (homozygous: OR 1.19, 95% CI 1.06, 1.35; heterozygous: OR 1.10, 95% CI 1.04, 1.17; recessive: OR 1.13, 95% CI 1.02, 1.25; dominant: OR 1.13, 95% CI 1.06, 1.19; and allele comparison: OR 1.09, 95% CI 1.03, 1.15). Stratification analyses by race and cancer type revealed similar results for gastric cancer among the Chinese population. Conclusion The findings suggest that PARP1 rs1136410 Val762Ala may be significantly associated with an increased cancer risk in Asians, particularly the Chinese population.

scholarly journals Osteoarthritis, mobility-related comorbidities and mortality: an overview of meta-analyses

2020 ◽  
Vol 12 ◽  
pp. 1759720X2098121
Author(s):  
Gustavo Constantino de Campos ◽  
Raman Mundi ◽  
Craig Whittington ◽  
Marie-Josée Toutounji ◽  
Wilson Ngai ◽  
...  
Keyword(s):  
Diabetes Mellitus ◽  
Odds Ratio ◽  
Meta Analysis ◽  
Inclusion Criteria ◽  
Increased Risk ◽  
All Cause Mortality ◽  
Ischemic Attack ◽  
Meta Analyses ◽  
The Relationship ◽  
Related Mortality

Aims: The objective of this review was to examine the relationship between osteoarthritis (OA) and mobility-related comorbidities, specifically diabetes mellitus (DM) and cardiovascular disease (CVD). It also investigated the relationship between OA and mortality. Methods: An overview of meta-analyses was conducted by performing two targeted searches from inception to June 2020. The association between OA and (i) DM or CVD ( via PubMed and Embase); and (ii) mortality ( via PubMed) was investigated. Meta-analyses were selected if they included studies that examined adults with OA at any site and reported associations between OA and DM, CVD, or mortality. Evidence was synthesized qualitatively. Results: Six meta-analyses met inclusion criteria. One meta-analysis of 20 studies demonstrated a statistically significant association between OA and DM, with pooled odds ratio of 1.41 (95% confidence interval: 1.21, 1.65; n = 1,040,175 patients). One meta-analysis of 15 studies demonstrated significantly increased risk of CVD among OA patients, with a pooled risk ratio of 1.24 (1.12, 1.37, n = 358,944 patients). Stratified by type of CVD, OA was shown to be associated with increased heart failure (HF) and ischemic heart disease (IHD) and reduced transient ischemic attack (TIA). There was no association reported for stroke or myocardial infarction (MI). Three meta-analyses did not find a significant association between OA (any site) and all-cause mortality. However, OA was found to be significantly associated with cardiovascular-related death across two meta-analyses. Conclusion: The identified meta-analyses reported significantly increased risk of both DM and CVD (particularly, HF and IHD) among OA patients. It was not possible to confirm consistent directional or causal relationships. OA was found to be associated with increased mortality, but mostly in relation to CVD-related mortality, suggesting that further study is warranted in this area.

Abstract P127: Posttraumatic Stress Disorder and Risk for Coronary Heart Disease: A Meta-analytic Review

Circulation ◽  
2013 ◽  
Vol 127 (suppl_12) ◽  
Author(s):  
Donald Edmondson ◽  
Ian M Kronish ◽  
Jonathan A Shaffer ◽  
Louise Falzon ◽  
Matthew M Burg
Keyword(s):  
Posttraumatic Stress Disorder ◽  
Coronary Heart Disease ◽  
Heart Disease ◽  
Posttraumatic Stress ◽  
Stress Disorder ◽  
Meta Analysis ◽  
Cochrane Library ◽  
Forest Plot ◽  
Increased Risk ◽  
Analytic Review

Context: Recent evidence suggests that posttraumatic stress disorder (PTSD) may be associated with increased risk for coronary heart disease (CHD). Objective: To determine the association of PTSD to incident CHD using systematic review and meta-analysis. Data Sources: Articles were identified by searching Ovid MEDLINE, PsycINFO, Scopus, Cochrane Library, PILOTS database, and through manual search of reference lists. Study Selection: Prospective cohort studies that assessed PTSD in participants free of CHD and assessed subsequent CHD or cardiac-specific mortality. Data Extraction: We extracted estimates of the association of PTSD to incident CHD, as well as study characteristics. Odds ratios were converted to hazard ratios (HR), and a random-effects model was used to pool results. Data Synthesis: Five studies met our inclusion criteria (N= 401,712); 4 of these included depression as a covariate. The pooled HR for the magnitude of the relationship between PTSD and CHD was 1.53 (95% CI, 1.27-1.84) before adjustment for depression. The pooled HR estimate for the 4 depression-adjusted estimates (N= 362,388) was 1.22 (95% CI, 1.05-1.42). Conclusion: PTSD is independently associated with increased risk for incident CHD, even after adjusting for depression and other covariates. Figure 1. Forest plot of association of PTSD to incident MI or cardiac mortality Note: The area of each square is proportional to the study’s weight in the meta-analysis, and each line represents the confidence interval around the estimate. The diamond represents the aggregate estimate, and its lateral points indicate confidence intervals for this estimate.

scholarly journals Association between smoking and non-alcoholic fatty liver disease: A systematic review and meta-analysis

2018 ◽  
Vol 6 ◽  
pp. 205031211774522 ◽  
Author(s):  
Arash Akhavan Rezayat ◽  
Malihe Dadgar Moghadam ◽  
Mohammad Ghasemi Nour ◽  
Matin Shirazinia ◽  
Hamidreza Ghodsi ◽  
...  
Keyword(s):  
Systematic Review ◽  
Liver Disease ◽  
Fatty Liver ◽  
Odds Ratio ◽  
Fatty Liver Disease ◽  
Meta Analysis ◽  
P Value ◽  
Exclusion Criteria ◽  
Alcoholic Fatty Liver ◽  
Alcoholic Fatty Liver Disease

Background/aims: Non-alcoholic fatty liver disease is one of the most common chronic liver diseases. Some risk factors are known to influence the development of non-alcoholic fatty liver disease, but the effect of tobacco smoking on the progression of non-alcoholic fatty liver disease is controversial. The main goal of this systematic review and meta-analysis is to investigate the association between smoking and non-alcoholic fatty liver disease. Method: Electronic databases (PubMed, Scopus, and ISI Web of Science) were searched to find published articles on non-alcoholic fatty liver disease and smoking until December 2016. All relevant studies were screened by inclusion and exclusion criteria and compatible studies were chosen. The Newcastle–Ottawa Scale was used to assess the methodological quality of eligible articles. Subsequently, information was gathered based on the following: author, publication year, keywords, country, inclusion and exclusion criteria, main results, study design, conclusion, and confounder variables (age, body mass index, gender, ethnicity, and diabetes). Finally, analyses were performed using Comprehensive Meta-Analysis Software. Results: Data were extracted from 20 observational studies (9 cross-sectional, 6 case-control, 4 cohort studies, and 1 retrospective cohort study). A significant association was observed between smoking and non-alcoholic fatty liver disease with a pooled odds ratio of 1.110 (95% confidence interval, 1.028–1.199), p-value = 0.008. The statistical heterogeneity was medium with an I2 of 40.012%, p-heterogeneity = 0.074. Also there was a significant relation between non-alcoholic fatty liver disease and passive smoking with a pooled odds ratio of 1.380 (95% confidence interval, 1.199–1.588; p-value = 0.001; I2 = 59.41; p-heterogeneity = 0.117). Conclusion: Our meta-analysis demonstrated that smoking is significantly associated with non-alcoholic fatty liver disease. Further prospective studies exploring the underlying mechanisms of this association should be pursued. Also passive smoking increases the risk of non-alcoholic fatty liver disease about 1.38-fold. The effects of smoking cigarettes on active smokers (current smoker, former smoker, and total smoker) are less than passive smokers. Further studies are needed to compare the of effects of passive and active smoking on non-alcoholic fatty liver disease.

Comorbidity between mood and substance-related disorders: A systematic review and meta-analysis

2021 ◽  
pp. 000486742110547
Author(s):  
Sukanta Saha ◽  
Carmen CW Lim ◽  
Louisa Degenhardt ◽  
Danielle L Cannon ◽  
Monique Bremner ◽  
...  
Keyword(s):  
Mood Disorders ◽  
Drug Dependence ◽  
Odds Ratio ◽  
Meta Analysis ◽  
Geographical Location ◽  
Dysthymic Disorder ◽  
Increased Risk ◽  
Meta Analyses ◽  
Substance Related Disorders ◽  
Study Designs

Background and Objectives: Evidence indicates that mood disorders often co-occur with substance-related disorders. However, pooling comorbidity estimates can be challenging due to heterogeneity in diagnostic criteria and in the overall study design. The aim of this study was to systematically review and, where appropriate, meta-analyse estimates related to the pairwise comorbidity between mood disorders and substance-related disorders, after sorting these estimates by various study designs. Methods: We searched PubMed (MEDLINE), Embase, CINAHL and Web of Science for publications between 1980 and 2017 regardless of geographical location and language. We meta-analysed estimates from original articles in 4 broadly defined mood and 35 substance-related disorders. Results: After multiple eligibility steps, we included 120 studies for quantitative analysis. In general, regardless of variations in diagnosis type, temporal order or use of adjustments, there was substantial comorbidity between mood and substance-related disorders. We found a sixfold elevated risk between broadly defined mood disorder and drug dependence (odds ratio = 5.7) and fivefold risk between depression and cannabis dependence (odds ratio = 4.9) while the highest pooled estimate, based on period prevalence risk, was found between broadly defined dysthymic disorder and drug dependence (odds ratio = 11.3). Based on 56 separate meta-analyses, all pooled odds ratios were above 1, and 46 were significantly greater than 1 (i.e. the 95% confidence intervals did not include 1). Conclusion: This review found robust and consistent evidence of an increased risk of comorbidity between many combinations of mood and substance-related disorders. We also identified a number of under-researched mood and substance-related disorders, suitable for future scrutiny. This review reinforces the need for clinicians to remain vigilant in order to promptly identify and treat these common types of comorbidity.

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