Dataset Information

Prevalence of Legionella Species in Water Resources of Iran: A Systematic Review and Meta-Analysis.

ABSTRACT: Legionella species are ubiquitous and naturally found in lakes, rivers, streams and hot springs, and other water resources. The present study aimed to investigate the prevalence of Legionella species in water resources of Iran by a systematic review and meta-analysis. In search of papers relevant to the prevalence of Legionella in water resources of Iran, the scientific information database in both English and Persian languages was used. The search was limited to studies between the year 2000 and end of July 2016. Each cohort and cross-sectional study that reported the contamination of water with Legionella was included in the present study. For data analysis, comprehensive meta-analysis software with Cochran's Q and I2 tests were used. P values less than 0.05 were considered statistically significant. The prevalence of Legionella species in water resources of Iran was 27.3% (95% CI: 25.3-29.3). The prevalence of Legionella spp. in hospital water, dental settings water, and other water resources were 28.8% (95% CI: 26.4-31.2), 23.6% (95% CI: 16.1-33.2), and 29.6% (95% CI: 25.6-33.8), respectively. The most common Legionella species was L. pneumophila with a prevalence of 60.5% (95% CI: 53.3-67.2) and the prevalence of all other species was 52.5% (95% CI: 44.7-60.2). The highest prevalence was reported in Isfahan with 55.7% (95% CI: 48.0-63.0). Based on the results, the prevalence rate of Legionella species in water resources of Iran was high and the most common Legionella species was L. pneumophila.

SUBMITTER: Khaledi A

PROVIDER: S-EPMC6230937 | biostudies-other | 2018 Nov

REPOSITORIES: biostudies-other

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Prevalence of <i>Legionella</i> Species in Water Resources of Iran: A Systematic Review and Meta-Analysis.

Khaledi Azad A Bahrami Afsane A Nabizadeh Edris E Amini Yousef Y Esmaeili Davoud D

Iranian journal of medical sciences 20181101 6

<h4>Background</h4><i>Legionella</i> species are ubiquitous and naturally found in lakes, rivers, streams and hot springs, and other water resources. The present study aimed to investigate the prevalence of <i>Legionella</i> species in water resources of Iran by a systematic review and meta-analysis.<h4>Methods</h4>In search of papers relevant to the prevalence of <i>Legionella</i> in water resources of Iran, the scientific information database in both English and Persian languages was used. The ...[more]

PMID: 30510333

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Project description:BackgroundMigraine headaches affect all ages, from childhood to old age. Migraine attacks cause significant changes in the living conditions of the sick person, including a decrease in personal, social, and occupational performance. This study was conducted to determine the prevalence of migraine in Iran through a systematic review and meta-analysis.MethodIn this systematic review and meta-analysis study, the studies associated with the prevalence of migraine using the keywords: migraine, prevalence, and Iran its equivalents in international databases PubMed, Web of Science, Scopus, Science direct, and Iranian internal information databases, including SID and MagIran, was searched without limit until November 2022. Comprehensive Meta-Analysis software (Version 2) was used to analyze the data. Due to the high number of studies reviewed in this systematic review, the Begg and Mazumdar test was used at a significance level of 0.1, and the corresponding Funnel plot was used to check publication bias. Also, the I2 test was used to check the heterogeneity in this study.Results22 records were included in the final analysis. The prevalence of migraine in the general population of Iran was 15.1% (confidence interval 95%: 10.7-20.9), and in this population, the prevalence of migraine was higher in women than in men. The prevalence of migraine based on The International Classification of Headache Disorders (ICHD) 2 criteria was reportedly 16.4% (95% CI: 10.8-24.1), and with ICHD3 criteria, this value was reported as 17.1% (95% CI: 7.7-33.6). Based on a survey of 4571 children, the prevalence of migraine was reported to be 5.2% (95% CI: 1.3-18.7). Also, the prevalence of migraine in adolescents was calculated based on eight studies (n = 8820). Accordingly, 11.2% (95% CI: 5.8-20.4) of adolescents have migraines. Meanwhile, the prevalence of migraine in boys was 8.2% (95% CI: 4.8-13.7), and in girls was 8% (95% CI: 6.2-12.7).ConclusionAs a result, the prevalence of migraine in Iran, based on population-based studies, was reported as 15.1%. The result showed a higher prevalence of migraine in the general population than in children and adolescents. It was also found that the prevalence of migraine in women is higher than in men.

Project description:BACKGROUND:Malnutrition occurs following a decrease or an imbalance in the absorption of energy, protein, vitamins, and minerals because of numerous factors. Thus, it has serious and life-threatening consequences. To plan for this issue, we need information on the burden of this problem. OBJECTIVE:The aim of this study is to determine the prevalence of malnutrition among elderly people in Iran. METHODS:For the purpose of this study, papers, including original articles, theses, and conference proceedings on the prevalence of malnutrition among people aged 60 years and above, and have been published in national and international journals until September 2018 will be included without any language limitation. The following keywords along with their synonyms in Persian will be used in the literature search: malnutrition, elderly, and Iran. At first, the screening process will be conducted based on our inclusion and exclusion criteria. Then, the full text of the remaining articles will be read carefully, and eligible articles will be selected according to the objectives of the study. Next, the methodological quality of the selected papers will be reviewed, and the required information will be extracted from those with acceptable quality. Finally, a meta-analysis will be performed using the Stata software (version 14) when optimum criteria are met. It should be noted that all stages of screening, selection, quality assessment of primary studies, and data extraction will be performed by two reviewers independently. RESULTS:This review is ongoing and will be completed at the end of 2019. CONCLUSIONS:This review aims to provide comprehensive evidence about the prevalence of malnutrition among elderly people in Iran. This can help Iranian health managers and policy makers make informed decisions for preventing malnutrition and promoting the health status of elderly people. TRIAL REGISTRATION:PROSPERO CRD42018115358; https://tinyurl.com/y28su47m. INTERNATIONAL REGISTERED REPORT IDENTIFIER (IRRID):DERR1-10.2196/15334.

Dataset Information

Prevalence of Legionella Species in Water Resources of Iran: A Systematic Review and Meta-Analysis.

Publications

Prevalence of <i>Legionella</i> Species in Water Resources of Iran: A Systematic Review and Meta-Analysis.

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