Prevalence of unwanted pregnancy in Iran: a systematic review and meta‐analysis

Moosazadeh, Mahmood; Nekoei‐Moghadam, Mahmood; Emrani, Zahra; Amiresmaili, Mohammadreza

doi:10.1002/hpm.2184

Cited by 99 publications

(96 citation statements)

References 20 publications

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“…To assess the quality of the selected studies, we applied Strengthening the Reporting of Observational Studies in Epidemiology checklist (12) and also another checklist been used during a review literature (13). Our checklist included questions regarding different aspects of the study such as type of the study, sample size, study objectives, study population, inclusion/exclusion criteria, methods of matching, analysis techniques and methods of illustration of the results based on the study objectives.…”

Section: Quality Assessmentmentioning

confidence: 99%

Seasonal Pattern Of Brucellosis In Iran: A Systematic Review And Meta-Analysis

et al. 2016

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Background and Purpose: Investigation of the seasonal pattern of brucellosis occurrence may help us to determine the etiology of disease. Seasonal pattern of brucellosis in different parts of Iran has been reported by several studies. Combining the results of these studies provide a reliable estimation of a total seasonal pattern of this zoonosis disease. This study aims to determine the overall pattern of brucellosis in Iran using meta-analysis method. Materials and Methods:Relevant evidence was identified searching the national and international databanks. Eligible articles were entered into the final meta-analysis after comprehensive review of evidence as well as quality assessment. We also calculated the standard error of the incidence according to binomial distribution formula. Because of the significant heterogeneity observed between the results, random effects model was used to combine the results. All data analyses were conducted using Stata software. Results:In total, 26 studies were entered into this systematic review including 17,311 subjects.Incidences (95% confidence intervals) of brucellosis in Iran during spring, summer, autumn and winter were estimated as of 34.4% (30.3-38.6), 33.2% (30.7-35.7), 16.4% (13.3-19.5) and 14.9% (12.7-17.1), respectively. Conclusion:This meta-analysis showed that the highest incidences of brucellosis are occurred during spring and summer, while the lowest incidences are occurred during winter and autumn.

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Section: Quality Assessmentmentioning

confidence: 99%

Seasonal Pattern Of Brucellosis In Iran: A Systematic Review And Meta-Analysis

et al. 2016

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“…Selected studies during the above mentioned processes were quality assessed using a specific checklist (12). This checklist was designed using STROBE checklist contents (13) including 12 questions regarding different aspects of methodology such as appropriate sample size, type of the study, sampling methods, study population, data collection methods, definition of the variables and method of dealing with samples, data collection tools, statistical analysis tests, study objectives, illustration of the results and presentation of the findings based on the objectives.…”

Section: Quality Assessmentmentioning

confidence: 99%

Prevalence of Hepatitis B Virus infection among Pregnant Women in Iran: A Systematic Review and Meta-analysis

et al. 2016

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Background: Hepatitis B infection can be transmitted both vertically and horizontally. Although the universal neonatal vaccination and catch up vaccination of teenagers along with targeted vaccination of at risk population have decreased the prevalence of HBV infection in Iran dramatically, there is still risk of vertical transmission with subsequent chronic liver disease and hepatocellular carcinoma. This study aims to estimate the prevalence of latent HBV infection among Iranian pregnant women using metaanalysis method.Data Sources: Papers written in Persian or English were identified during a comprehensive search within five national and four international main databases. Study Eligibility Criteria and Participants:Studies reported the HBV infection prevalence among Iranian pregnant women and provided enough quality scores were selected for this meta-analysis. Methods:After a systematic review of national and international databases, duplicated and irrelevant studies were excluded. Standard error of the infection prevalence was calculated based on the binomial distribution. Because of the significant heterogeneity observed among the results, random effects model was applied to combine the results of the primary studies. Moreover, sensitivity analysis and meta-regression models were used to detect the sources of this heterogeneity.Results: At final step of the systematic search, 18 papers entered into the meta-analysis investigating 24853 pregnant women. Prevalence of HBV infection among Iranian pregnant women was estimated as 1.2% (95% confidence interval: 0.9 -1.6). Among different risk factors assessed, only familial history in four studies out of five relevant evidences was statistically significant. Conclusions:HBV infection prevalence among Iranian pregnant women is low and familial history is its major determinant.

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“…After identifying the relevant papers regarding the titles and contents, their quality was assessed using a previously applied checklist (18). This checklist (18) was designed according to the STROBE checklist (19) contents including 12 questions assessing different aspects of methodology such as sample size estimation, type of the study, sampling methodology, study population, data collection method, variable definition, data collection tools, statistical tests, aims of the study and illustration of the findings according to the objectives of the study.…”

Section: Quality Assessmentmentioning

confidence: 99%

Seroprevalence of Cytomegalovirus Antibodies and Primary Infection among Women and Infants in Iran: A Meta-Analysis

et al. 2016

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Background: Seroprevalence of Cytomegalovirus infection varies between 40% and 100% worldwide. Different studies carried out in Iran indicate this variation in this country. It is important to estimate the total infection prevalence using a reliable method such as meta-analysis in order to be applied by policymakers. This study aims to estimate the IgG and IgM seroprevalences of CMV infection among Iranian women and neonates. Method:We selected eligible articles for final meta-analysis by searching the national and international databases, excluding duplicates and irrelevant papers from primarily identified studies after abstract/full text review, implementing exclusion/inclusion criteria and quality assessment. Standard error of the prevalence was calculated according to binomial distribution formula. Based on the degree of heterogeneity, fixed or random effects models were applied for estimating the pooled prevalences. Results:In this study, 16 papers providing 20 evidences of CMV prevalence in Iran entered in the meta-analysis. CMV IgG and IgM seroprevalences as well as primary infection rate (95% confidence interval) among pregnant women were 92.8% (90.6 -94.9), 6.4% (2.8 -9.9) and 1.1% (0.7 -1.5) respectively. CMV IgM seroprevalence among neonates were 0.6% (0.09 -1.2), while CMV IgG and CMV IgM seroprevalences among non-pregnant women were 78.4% (70 -86.8) and 4.6% (1.5 -7.6) respectively. Conclusions:This meta-analysis showed that the prevalence of CMV infection among studied population is relatively high. Therefore, mortality, complications, anomalies and injuries among fetuses, neonates and immunocompromized patients can be partially related to the CMV infection.

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Prevalence of unwanted pregnancy in Iran: a systematic review and meta‐analysis

Cited by 99 publications

References 20 publications

Seasonal Pattern Of Brucellosis In Iran: A Systematic Review And Meta-Analysis

Seasonal Pattern Of Brucellosis In Iran: A Systematic Review And Meta-Analysis

Prevalence of Hepatitis B Virus infection among Pregnant Women in Iran: A Systematic Review and Meta-analysis

Seroprevalence of Cytomegalovirus Antibodies and Primary Infection among Women and Infants in Iran: A Meta-Analysis

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