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