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The burden of irritable bowel syndrome and chronic constipation on health-related quality of life in black Africans: a comparison with healthy control subjects in Côte d’Ivoire, West Africa

Authors Mahassadi AK, Ebela PC, Bangoura AD, Attia AK

Received 29 October 2018

Accepted for publication 30 April 2019

Published 2 August 2019 Volume 2019:12 Pages 355—365


Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 2

Editor who approved publication: Prof. Dr. Wing-Kin Syn

Alassan Kouamé Mahassadi, Paulin Christian Ebela, Aboubacar Demba Bangoura, Alain Koffi Attia

Hepatology and Gastroenterology Unit, Centre Hospitalier et Universitaire de Yopougon, Abidjan, Côte d’Ivoire

Background: Although patients with irritable bowel syndrome (IBS) and chronic constipation (CC) have an impaired health-related quality of life (HRQoL), little is known in black African patients compared with control subjects. This study provided the magnitude and the influencing factors of HRQoL impairment in black African outpatients with IBS or CC compared with control subjects using the generic SF-36 questionnaire.
Materials and methods: One hundred and four consecutive black African outpatients complaining with IBS (n=72, mean age=38.9 years, female=62.5%) and CC (n=32, mean age=37.4 years, female=75%) met Rome 3 criteria were compared with 210 control subjects (mean age=37.4 years, 63.8% male). The SF-36 scores in all domains of HRQoL with the corresponding physical (PCS) and mental (MCS) composite scores between groups were compared with post hoc analysis and multivariate linear regression analysis for the assessment of the influencing factors.
Results: Overall, IBS and CC patients exhibited low SF-36 scores in the 8 domains of HRQoL in comparison with control subjects. IBS patients scored less in mental health (mean difference=−10.3, p=0.001), bodily pain (mean difference=−23.5, p≤0.0001), and social functioning domains (mean difference =−15.1, p=0.01) in comparison with CC patients. Post hoc analysis demonstrated a trend down of PCS (mean difference=−12.9, p<0.0001) and MCS (mean difference=−11.2, p=0.01) disfavoring IBS patients than those with CC in comparison with control subjects. In multivariate linear regression analysis, besides the negative impact of IBS and CC, factors influencing PCS were BMI (β=0.4; p=0.01) and comorbidities (β=−5.9; p=0.002). Those influencing MCS were the presence of remunerated activity (β=2.7, p=0.02), and patient living alone (β=9.4; p=0.04).
Conclusion: IBS and CC impact negatively on the HRQoL in black African subjects and more importantly in those with IBS than CC.

Keywords: irritable bowel syndrome, chronic constipation, quality of life, SF-36 questionnaire, black Africans

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