Table 2 The subgroup analysis results
From: Prevalence of HIV in slums area: a systematic review and meta-analysis
Variables | Prevalence [95% CI] | Number of studies | Sample size | I2 (%) |
|---|---|---|---|---|
Diagnostic test | ||||
 Rapid test kits | 13 [10-16] | 6 | 26,600 | 94% |
 ELISA | 9 [5-16] | 10 | 9183 | 96% |
 Self report | 8 [4-16] | 6 | 17,019 | 99% |
Sample size | ||||
 ≤ 1000 | 11 [8-14] | 11 | 5356 | 93% |
 > 1000 | 9 [5-16] | 11 | 47,446 | 99% |
Income | ||||
 Upper middle income | 20 [19-22] | 5 | 8243 | 45% |
 Lower middle income | 8 [5-12] | 12 | 41,246 | 98% |
 Low income | 8 [4-14] | 5 | 3313 | 94% |
Years | ||||
 Before 2015 | 9 [5-15] | 12 | 38,829 | 99% |
 After 2015 | 11 [8-16] | 10 | 13,973 | 97% |
NOS scale score | ||||
 Low risk | 10 [7-14] | 15 | 39,952 | 97% |
 Moderate risk | 10 [6-19] | 7 | 12,850 | 99% |
 High risk | 0 | 0 | 0 | 0 |
Continent | ||||
 Africa | 11 [8-15] | 18 | 44,946 | 98% |
 America | 9 [8-11] | 2 | 6135 | 57% |
 Asia | 1 [0–62] | 2 | 1721 | 94% |
Africa | ||||
 West | 7 [4-13] | 2 | 934 | 82% |
 East | 9 [6-13] | 11 | 35,769 | 99% |
 South | 18 [14-24] | 5 | 8243 | 45% |