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Table 2 Sub group analysis which describes pooled prevalence of anemia and its predictors among adult HIV infected individuals in Ethiopia

From: Prevalence of anemia and its associated factors in human immuno deficiency virus infected adult individuals in Ethiopia. A systematic review and meta-analysis

Sub group Number of included studies Prevalence (95% CI) Heterogeneity statistics P value I2
By study design Cross sectional 13 34.54 (24.54, 44.55) 761.77 < 0.001 98.4
Cohort 7 24.44 (16.18, 32.70) 228.57 < 0.001 97.4
Time of study year Before 2015 16 33.65 (25.13, 42.16) 1077.02 < 0.001 98.6
2015 and above 4 20.43 (14.12, 26.74) 26.29 < 0.001 88.6
Gender distribution Male 12 41.21 (27.07,55.36) 774.85 < 0.001 98.6
Female 12 34.52(24.27,44.77) 309.79 < 0.001 96.4
sampling method Simple random 8 31.20 (18.86, 43.54) 598.36 < 0.001 98.8
Systematic 4 37.37 (23.72, 51.02) 77.69 < 0.001 96.1
Un-defined 8 27.64 (16.62, 38.66) 413.30 < 0.001 98.3
Mean age in years <= 35 8 34.31 (21.75, 46.88) 432.49 < 0.001 98.4
> 35 5 34.54 (14.59, 54.49) 422.51 < 0.001 99.1
No report of mean age 7 24.71(17.28, 32.14) 172.93 < 0.001 96.5
Sample size < 384 11 25.91 (18.63, 33.19) 296.43 < 0.001 98.3
  > = 384 9 37.1 (24.68,49.51) 1141.04 < 0.001 99.0