Table 3 Results of phase 1B surveys and assessment if epidemiological criteria for stopping treatment are met
Country | Evaluation area | Pre-control endemicity (maximum nodule prevalence) | Â | Â | Results of Phase 1B surveys | Results of all surveys combined | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Phase 1B Evaluation year | No. of treatment rounds with >60Â % coverage | No. of villages evaluated | Number examined for mf | mf positives | No. of villages evaluated | Number examined for mf | mf positives | Probability that true prevalence of mf in evaluation area exceeds 1.4Â % | Probability that true maximum stratum prevalence of mf exceeds 5Â % | Epidemiological criteria for stopping treatment meta | ||||||||
Number | % | Maximum % per village | Number | % | Mean % per village | Maximum % per village | ||||||||||||
Burundi | Bururi | 31.0 | 2013 | 7 | 20 | 8,621 | 2 | 0.02 | 0.7 | 20 | 8,621 | 2 | 0.02 | 0.03 | 0.7 | 0.000 | 0.000 | Yes |
| Â | Cibitoke Bubanza | 49.1 | 2013 | 7 | 10 | 3,886 | 1 | 0.03 | 0.3 | 20 | 7,310 | 1 | 0.01 | 0.01 | 0.3 | 0.000 | 0.000 | Yes |
| Â | Rutana | 24.6 | 2013 | 7 | 20 | 7,505 | 0 | 0.00 | 0.0 | 20 | 7,505 | 0 | 0.00 | 0.00 | 0.0 | 0.000 | 0.001 | Yes |
Chad | Logon Occidental | 37.9 | 2014 | 13 | 9 | 2,360 | 0 | 0.00 | 0.0 | 19 | 5,680 | 0 | 0.00 | 0.00 | 0.0 | 0.000 | 0.000 | Yes |
| Â | Logon Oriental | 62.8 | 2014 | 13 | 43 | 9,624 | 33 | 0.34 | 11.9 | 62 | 14,027 | 38 | 0.27 | 0.36 | 11.9 | 0.000 | 1.000 | Close |
Mandoul | 66.1 | 2013 | 12 | 32 | 12,812 | 28 | 0.22 | 3.4 | 32 | 12,812 | 28 | 0.22 | 0.26 | 3.4 | 0.000 | 0.205 | Close | |
Mayo Kebbi East | 45.2 | 2014 | 13 | 25 | 7,648 | 0 | 0.00 | 0.0 | 30 | 9,308 | 0 | 0.00 | 0.00 | 0.0 | 0.000 | 0.006 | Yes | |
Mayo Kebbi West | 44.4 | 2014 | 13 | 16 | 6,660 | 0 | 0.00 | 0.0 | 34 | 13,085 | 1 | 0.01 | 0.01 | 0.0 | 0.000 | 0.000 | Yes | |
Moyen-Chari | 40.1 | 2012 | 11 | 20 | 5,736 | 0 | 0.00 | 0.0 | 29 | 7,073 | 0 | 0.00 | 0.00 | 0.0 | 0.000 | 0.017 | Yes | |
Tandjile | 38.7 | 2013 | 12 | 29 | 8,414 | 3 | 0.04 | 0.7 | 29 | 8,414 | 3 | 0.04 | 0.03 | 0.7 | 0.000 | 0.008 | Yes | |
Ethiopia | North Gondar | 47.4 | 2013 | 9 | 20 | 2,986 | 0 | 0.00 | 0.0 | 30 | 4,913 | 0 | 0.00 | 0.00 | 0.0 | 0.000 | 0.009 | Yes |
Malawi | Malawi Extension | 21.6 | 2012 | 8 | 12 | 2,220 | 29 | 1.31 | 8.7 | 21 | 4,180 | 29 | 0.69 | 0.46 | 8.7 | 0.012 | 0.997 | Close |
| Â | Thyolo Muanza | 34.1 | 2012 | 8 | 12 | 2,105 | 13 | 0.62 | 8.2 | 23 | 4,480 | 13 | 0.29 | 0.36 | 8.2 | 0.004 | 0.970 | Close |
Nigeria | Cross River | 56.1 | 2012 | 14 | 22 | 3,832 | 275 | 7.18 | 25.3 | 42 | 7,415 | 356 | 4.80 | 5.10 | 25.3 | 1.000 | 1.000 | No |
| Â | Ebonyi | 60.2 | 2012 | 13 | 7 | 1,465 | 45 | 3.07 | 11.9 | 18 | 3,441 | 45 | 1.31 | 1.06 | 11.9 | 0.859 | 1.000 | Close |
| Â | Enugu Anambra | 63.0 | 2012 | 12 | 14 | 2,595 | 49 | 1.89 | 12.0 | 25 | 4,991 | 135 | 2.70 | 2.29 | 13.7 | 1.000 | 1.000 | No |
| Â | Kaduna | 55.8 | 2012 | 21 | 17 | 2,600 | 0 | 0.00 | 0.0 | 46 | 8,588 | 0 | 0.00 | 0.00 | 0.0 | 0.000 | 0.033 | Yes |
Tanzania | Tanga | 35.4 | 2012 | 11 | 20 | 3,596 | 1 | 0.03 | 0.5 | 30 | 5,643 | 7 | 0.12 | 0.11 | 1.1 | 0.000 | 0.028 | Yes |
| Â | Tukuyu | 39.7 | 2012 | 11 | 17 | 3,146 | 0 | 0.00 | 0.0 | 28 | 5,007 | 0 | 0.00 | 0.00 | 0.0 | 0.000 | 0.042 | Yes |
| Â | Tunduru | 67.5 | 2013 | 16 | 10 | 1,379 | 0 | 0.00 | 0.0 | 20 | 3,211 | 0 | 0.00 | 0.00 | 0.0 | 0.000 | 0.020 | Yes |
Uganda | Adjumani Mojo | 45.5 | 2012 | 13 | 19 | 4,465 | 63 | 1.41 | 9.7 | 28 | 5,645 | 98 | 1.74 | 1.76 | 9.7 | 1.000 | 1.000 | No |
| Â | Kasese | 87.3 | 2012 | 14 | 18 | 4,981 | 23 | 0.46 | 3.5 | 28 | 6,491 | 74 | 1.14 | 1.45 | 12.1 | 0.999 | 1.000 | Close |
Total | Â | Â | Â | Â | 392 | 108,636 | 565 | 0.52 | 25.3 | 614 | 157,840 | 830 | 0.53 | 0.52 | 25.3 | Â | Â | Â |