Prevalence of cholelithiasis among persons undergoing abdominal ultrasound at the Komfo Anokye Teaching Hospital, Kumasi, Ghana.
Background: The prevalence of gallstones among Ghanaians is unknown. We aimed to determine the prevalence of gallstones among persons undergoing abdominal ultrasound at the Komfo Anokye Teaching Hospital (KATH).
Methods: We performed a cross-sectional study of patients aged ≥14years presenting to KATH for abdominal ultrasound between 2009 and 2012. Patient demographics were recorded. The gallbladder was assessed by ultrasonography. Cholelithiasis was defined as presence of gallstones or absence of gallbladder. Data was expressed as descriptive and inferential statistics.
Results: There were 2824 participants. 55% were females. Mean age was 47±18 years. Mean body mass index (BMI) was 24.0±5.5. Mean parity among females was 3±3. Prevalence of cholelithiasis was 5.9 (95%C.I:5.0,6.8). Females had a high prevalence compared to males (6.8 vs 4.7). Prevalence increased steadily by age. Prevalence was 6.6, 5.1 and 8.8 for patients with BMI <18.5, 18.5-24.9 and ≥30 respectively. Prevalence among women with parity of 0,1-5 and >5 was 3.1, 6.7 and 6.4 respectively.On multivariate regression analysis, female sex (AOR=1.55;p<0.05), age≥40 years (AOR=2.05;p<0.01), BMI<18.5 (AOR=1.25;p>0.05) or BMI≥30 (AOR=1.39;p>0.05) and family history of gallstones (AOR=11.9;p<0.01) increased the odds of cholelithiasis.
Conclusions: Prevalence of cholelithiasis among patients undergoing ultrasonography at KATH was 5.9. Patient age, sex and family history significantly influenced the prevalence.
Key words: Cholelithiasis, Prevalence, Kumasi, Ghana
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