Table 2 Summary of onchocerciasis mapping survey results by region (2008)
Region | Nodule examination | Skin snips | Blindness cases | ||||||
|---|---|---|---|---|---|---|---|---|---|
REMO villages | No. examined | No. positive | Nodule prevalence (%) | REMO villages (%) | No. examined | No. Mf positive | Mf prevalence | Number | |
Ashanti | 83 | 3005 | 140 | 4.66 (3.93–5.47%) | 11 (13) | 679 | 111 | 16.35 (13.64–19.35%) | 55 |
Brong Ahafo | 86 | 3268 | 115 | 3.52 (2.91–4.21%) | 6 (7) | 244 | 2 | 0.82 (0.10–2.93%) | 87 |
Central | 26 | 1020 | 82 | 8.04 (6.44–9.88%) | 14 (54) | 501 | 95 | 18.96 (15.62–22.67%) | 47 |
Eastern | 118 | 4772 | 163 | 3.42 (2.92–3.97%) | 6 (5) | 464 | 51 | 10.99 (8.29–14.20%) | 89 |
Greater Accra | 12 | 341 | 1 | 0.29 (0.01–1.62%) | 2 (17) | 106 | 0 | 0.00 (0.00–3.42% | 3 |
Northern | 120 | 4741 | 249 | 5.25 (4.63–5.93%) | 10 (8) | 394 | 53 | 13.45 (10.24–17.22%) | 356 |
Upper East | 22 | 718 | 16 | 2.23 (1.28–3.59%) | 6 (27) | 233 | 0 | 0.00 (0.00–1.57%) | 364 |
Upper West | 46 | 1869 | 47 | 2.51 (1.85–3.33%) | 7 (16) | 307 | 14 | 4.46 (2.52–7.53%) | 64 |
Volta | 68 | 2882 | 134 | 4.65 (3.91–5.48%) | 9 (13) | 450 | 18 | 4.00 (2.39–6.25%) | 106 |
Western | 124 | 4987 | 144 | 2.89 (2.44–3.39%) | 14 (11) | 588 | 21 | 3.57 (2.22–5.41%) | 58 |
Total | 705 | 27603 | 1091 | 3.95 (3.73–4.19%) | 85 (12) | 3966 | 365 | 9.20 (8.32–10.15%) | 1229 |