Table 1

Summary statistics from meta-analyses of prevalence studies on hepatitis B virus infection among populations in Cameroon using random effects model and arcsine transformations

Group#Studies#Participants#CasesPrevalence, % (95% CI)I², %p-heterogeneity p-Egger's test p-difference
Populations
 Overall27100 50113 1859.5 (7.9 to 11.4)98.6<0.0010.0170.567
 General573977607.1 (2.6 to 13.5)98.5<0.001
 Blood donors1268 474919610.5 (8.7 to 12.4)97.5<0.001
 Pregnant women1024 63032299.8 (5.4 to 15.4)99.2<0.001
Regions
 Overall3096 13412 6179.2 (7.1 to 11.5)97.9<0.0010.004<0.001
 Centre1060 37282589.1 (7.1 to 11.3)97.5<0.001
 East13643710.2 (7.5 to 13.7)--
 Far-North315 859283415.8 (13.1 to 18.6)82.2<0.001
 Littoral690856286.7 (4.0 to 10.1)96.3<0.001
 North1127625920.3 (18.2 to 22.6)--
 North-West2561396.9 (5.0 to 9.2)99.3<0.001
 South11011918.8 (12.4 to 27.5)--
 South-West575345028.0 (5.5 to 10.8)92.8<0.001
 West1982414.2 (3.1 to 5.6)--
Settings
 Overall2286 43912 35310.0 (8.6 to 11.6)97.4<0.0010.0060.005
 Rural717 799315913.3 (10.6 to 16.2)91.8<0.001
 Urban1568 64091949.0 (7.3 to 10.7)97.4<0.001
Sex
 Overall2144 95156699.3 (7.1 to 11.8)98.8<0.0010.1130.168
 Female1526 6142248.5 (5.2 to 12.6)85.9<0.001
 Male618 33738911.6 (10.1 to 13.1)98.4<0.001
Sites
 Overall271 00 50113 1859.5 (7.9 to 11.3)98.6<0.0010.0170.954
 Hospital-based2393 86712 4309.5 (7.7 to 11.5)98.8<0.001
 Population-based466347559.7 (5.6 to 14.7)96.5<0.001
Timing of data collection
 Overall271 00 50113 1859.5 (7.9 to 11.4)98.6<0.0010.0140.110
 Retrospective517 189207911.4 (10.3 to 12.5)73.10.010
 Prospective2283 31211 1069.3 (7.2 to 11.6)98.9<0.001
Risk of bias
 Overall271 00 50113 1859.5 (7.9 to 11.4)98.6<0.0010.0170.435
 High417 27928478.2 (2.3 to 17.2)99.4<0.001
 Moderate1158 82273809.0 (5.9 to 12.7)99.1<0.001
 Low1224 637295811.0 (10.2 to 11.9)69.6<0.001
Status regarding implementation of the HBV universal immunisation
 Overall1828 76131568.4 (6.8 to 10.1)95.5<0.0010.003<0.001
 Before1727 99831519.2 (7.9 to 10.5)91.4<0.001
 After176550.7 (0.3 to 1.5)--
HBV screening tools
 Overall2147 39657009.3 (7.0 to 12.0)98.7<0.0010.1930.239
 Enzyme immunoassay32023984.2 (0.4 to 11.2)97.2<0.001
 Enzyme-linked immunoassay4258026110.0 (8.4 to 11.8)51.30.10
 Rapid diagnostic test1442 793534110.5 (7.5 to 13.8)99.0<0.001