Microscopy prevalence | ST + (n) | Sensitivity (%) | ST- (n) | Specificity (%) | DA (%) | Youden index (%) | ||
---|---|---|---|---|---|---|---|---|
Area | ||||||||
Ouagadougou | 18.1 | 68 | 80.9 | 308 | 73.7 | 75 | 55 | |
Small cities | 37.2 | 242 | 88.0 | 408 | 63.7 | 73 | 52 | |
Rural areas | 73.0 | 3823 | 90.2 | 1411 | 41.5 | 77 | 32 | |
p-value | 0.024 | <0.001 | ||||||
Age group (months) | ||||||||
6 - 12 | 58.6 | 467 | 89.1 | 330 | 54.8 | 75 | 44 | |
13 - 23 | 61.9 | 775 | 89.0 | 478 | 52.1 | 75 | 41 | |
24 - 35 | 66.0 | 923 | 91.2 | 476 | 54.2 | 76 | 45 | |
36 - 47 | 70.4 | 1007 | 92.3 | 424 | 51.7 | 80 | 44 | |
48 - 59 | 69.7 | 961 | 87.4 | 417 | 49.2 | 76 | 37 | |
p-value | 0.004 | 0.10 | ||||||
Month of data collection* | ||||||||
May** | 20.0 | 30 | 93.3 | 120 | 73.3 | 77 | 67 | |
June** | 31.6 | 66 | 83.3 | 143 | 69.2 | 74 | 53 | |
July | 74.0 | 376 | 89.6 | 132 | 36.4 | 76 | 26 | |
August | 70.9 | 795 | 88.6 | 327 | 47.1 | 76 | 36 | |
September | 73.3 | 869 | 88.3 | 317 | 44.2 | 76 | 32 | |
October | 63.4 | 688 | 89.5 | 398 | 49.5 | 75 | 39 | |
November | 66.3 | 838 | 91.8 | 426 | 44.6 | 76 | 36 | |
December | 64.1 | 465 | 93.8 | 260 | 59.2 | 81 | 53 | |
p-value*** | 0.009 | <0.001 |