Prevalence and associated factors of birth defects among newborns in sub-Saharan African countries: a systematic review and meta-analysis.
Associated factors
birth defects
prevalence
sub-Saharan African countries
Journal
The Pan African medical journal
ISSN: 1937-8688
Titre abrégé: Pan Afr Med J
Pays: Uganda
ID NLM: 101517926
Informations de publication
Date de publication:
2020
2020
Historique:
received:
09
06
2019
accepted:
20
02
2020
entrez:
11
8
2020
pubmed:
11
8
2020
medline:
1
1
2021
Statut:
epublish
Résumé
Birth defects are the most serious causes of infant mortality and disability in sub-Saharan African countries with variable magnitude. Hence, this study was aimed to determine the pooled prevalence of birth defects and its associated risk factors among newborn infants in sub-Saharan African countries. A total of 43 eligible studies were identified through literature search from Medline (PubMed), EMBASE, HINARI, Google scholar, Science Direct, Cochrane Library and other sources. Extracted data were analyzed using STATA 15.0 statistical software. A random effect meta-analysis model was used. Twenty-five studies in 9 countries showed that the pooled prevalence of birth defects was 20.40 per 1,000 births (95% CI: 17.04, 23.77). In the sub-group analysis, the highest prevalence was observed in southern Africa region with a prevalence of 43 per 1000 (95% CI: 14.89, 71.10). The most prevalent types of birth defects were musculo-skeletal system defects with a pooled prevalence of 3.90 per 1000 (95% CI: 3.11, 4.70) while the least was Down syndrome 0.62 per 1000 (95% CI: 0.40, 0.84). Lack of folic acid supplementation (95% CI: 1.95, 7.88), presence of chronic disease (95% CI: 2.00, 6.07) and intake of drugs (95% CI: 3.88, 14.66) during pregnancy were significantly associated with the birth defects. The prevalence of birth defects is relatively high with high degree of regional variabilities. The most common types of birth defects were musculoskeletal defects. Lack of folic acid supplementation, presence of chronic disease and intake of drugs during pregnancy were significantly associated with birth defects.
Identifiants
pubmed: 32774596
doi: 10.11604/pamj.2020.36.19.19411
pii: PAMJ-36-19
pmc: PMC7388615
doi:
Types de publication
Journal Article
Meta-Analysis
Systematic Review
Langues
eng
Sous-ensembles de citation
IM
Pagination
19Informations de copyright
© Fentahun Adane et al.
Déclaration de conflit d'intérêts
The authors declare no competing interests.
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