Table 4.
Pooled prevalence estimates for STH infections in relation to regions and study settings
| Ascaris lumbricoides | Hookworms | Strongyloides stercoralis | Trichuris trichiura | |||||
|---|---|---|---|---|---|---|---|---|
| Variables | SSZ | Cases (%) | SSZ | Cases (%) | SSZ | Cases (%) | SSZ | Cases (%) |
| Regions | ||||||||
| North-central | 1935 | 596 (30.8) | 2936 | 476 (16.2) | 1387 | 151 (10.9) | 955 | 308 (32.3) |
| North-east | 250 | 57 (22.8) | 250 | 86 (34.4) | 250 | 23 (9.2) | 250 | 26 (10.4) |
| North-west | 1370 | 119 (8.7) | 570 | 30 (5.3) | 800 | 12 (1.5) | 570 | 20 (3.5) |
| Total | 3555 | 772 (21.7) | 3756 | 592 (15.8) | 2437 | 186 (7.6) | 1775 | 354 (19.9) |
| South-east | 3334 | 918 (27.5) | 3334 | 898 (26.9) | 2250 | 78 (3.5) | 2850 | 335 (11.8) |
| South-south | 5297 | 2111 (39.9) | 5157 | 848 (16.4) | 2892 | 106 (3.7) | 5297 | 1144 (21.6) |
| South-west | 17 091 | 9205 (53.9) | 11 289 | 3549 (31.5) | 3002 | 34 (1.1) | 12 638 | 5540 (43.8) |
| Total | 25 722 | 12 234 (47.6) | 19 780 | 5295 (26.8) | 8144 | 218 (2.7) | 20 785 | 7019 (33.8) |
| Study setting | ||||||||
| Community | 4936 | 1828 (37.0) | 4427 | 200 (4.5) | 1969 | 99 (5.0) | 4708 | 761 (16.2) |
| Hospital | 517 | 133 (25.7) | 517 | 42 (8.1) | 207 | 1 (0.5) | 517 | 38 (7.4) |
| School | 23 724 | 11 045 (46.6) | 20 690 | 5656 (27.3) | 8405 | 321 (3.8) | 17 867 | 6517 (36.5) |
| Total | 29 177 | 13 006 (44.6) | 25 634 | 5898 (23.0) | 10 581 | 421 (4.0) | 23 092 | 7316 (31.7) |
SSZ Sample size