Table 6 Optimal and minimal effectiveness of tested nets based on bio-assay results
Net type | Time of follow-up | ||||
|---|---|---|---|---|---|
6 months | 12 months | 24 months | 36 months | 42 months | |
LLIN | |||||
Number tested | 40 | 33 | 37 | 36 | 21 |
optimal (95% CI) | 100% (91.2, 100) | 100% (89.5, 100) | 94.7% (81.8, 99.3) | 83.3% (67.2, 93.6) | 71.4% (47.8, 88.7) |
minimal (95% CI) | 100% (91.2, 100) | 100% (89.5, 100) | 97.3% (85.8, 99.9) | 94.4% (81.3, 99.3) | 81.0% (58.1, 94.6) |
Conventional ITN | |||||
Number tested | 40 | 32 | 8 | Not done | Not done |
optimal (95% CI) | 95.0% (83.1, 99.4) | 100% 89.1, 100) | 75% (35, 97) | ||
minimal (95% CI) | 97.5% (86.8, 99.9) | 100% 89.1, 100) | 100% (63, 100) | ||