Table 1.
Raw and gender-and age-adjusted onchocercal nodule and microfilarial prevalence and intensity in the Manyu, Mungo and Meme drainage basins
| Drainage basin | Villages | Latitude | Longitude | Nb examined | Nb > 20 years | Raw mf prevalence | Adjusted Mf prevalence | Raw nodule prevalence | Adjusted nodule prevalence | CMFL (Mf/ss) |
|---|---|---|---|---|---|---|---|---|---|---|
| MANYU | Bokwa | N05.71666° | E09.63333° | 60 | 35 | 27(45.0) | 54.8 | 25(41.6) | 44.7 | 4.2 |
| Eshobi | N05.78333° | E09.36666° | 90 | 85 | 30(33.3) | 34.4 | 27(30) | 19.9 | 6 | |
| Kajifu | N05.09666° | E09.18333° | 101 | 75 | 34(32.6) | 35.2 | 21(20.8) | 16.8 | 3.2 | |
| Kesham | N05.86666° | E09.28333° | 39 | 23 | 21(53.8) | 56.9 | 18(46.1) | 50.9 | 6.7 | |
| Mbakem | N05.73338° | E09.09669° | 39 | 37 | 1(2.5) | 3.1 | 5(12.8) | 13.8 | 2 | |
| Mbatop | N05.71913° | E09.11888° | 80 | 62 | 8(10.0) | 12.1 | 8(10) | 10.6 | 4.6 | |
| Mbeme | N05.76666° | E09.76666° | 85 | 80 | 34(40.0) | 41.8 | 50(58.8) | 58.2 | 2.5 | |
| Nyang | N05.95000° | E09.41666° | 32 | 19 | 23(71.8) | 83 | 16(50) | 46 | 5.9 | |
| Ogurang | N05.46666° | E08.95000° | 82 | 62 | 23(28.1) | 28.6 | 25(30.5) | 24.6 | 2.8 | |
| Babong | N05.05000° | E09.05000° | 93 | 82 | 32(34.4) | 32.4 | 33(35.5) | 35.3 | 3 | |
| Nkoghaw | N05.56666° | E09.10000° | 60 | 45 | 18(30.0) | 31 | 23(38.3) | 32.2 | 3.9 | |
| Total | 761 | 605 | 251(33.0) | 33.8 | 251(33) | 28.2 | 3.6 | |||
| MUNGO | Baduma | N04.83333° | E09.43333° | 70 | 47 | 42(60) | 62.1 | 38(54.2) | 51.2 | 4.6 |
| Bakolle | N04.96666° | E09.51666° | 78 | 37 | 27(34.6) | 32.3 | 26(33.3) | 35.6 | 2.6 | |
| Bolo | N04.86666° | E09.43333° | 95 | 50 | 62(65.2) | 62.6 | 50(52.6) | 50.9 | 3.3 | |
| Dikomi-Bafaw | N04.96666° | E09.46666° | 100 | 62 | 44(44) | 41.7 | 34(34) | 39.6 | 5.2 | |
| Eboko-Bajor | N04.98333° | E09.51666° | 88 | 61 | 31(35.2) | 33.7 | 25(28.4) | 29.4 | 2.8 | |
| Ediki | N04.54441° | E09.46444° | 101 | 75 | 33(32.6) | 34.3 | 15(14.8) | 20.3 | 6.3 | |
| Kokaka | N04.91666° | E09.46666° | 73 | 44 | 38(50.6) | 56 | 33(45.2) | 42.5 | 3.2 | |
| Kombone-Bafaw | N05.00000° | E09.45000° | 97 | 60 | 43(44.3) | 43.2 | 30(30.9) | 31.9 | 4.1 | |
| Kurume | N04.90000° | E09.45000° | 45 | 28 | 11(24.4) | 39.6 | 18(40) | 35.3 | 3.7 | |
| Mbalangui | N04.49750° | E09.45997° | 101 | 85 | 10(9.9) | 11.8 | 12(11.8) | 13.1 | 2.9 | |
| Momboh | N04.81666° | E09.46666° | 88 | 57 | 32(36.3) | 39.5 | 25(28.4) | 35.2 | 3.9 | |
| Weme | N04.88333° | E09.43333° | 59 | 28 | 35(59.3) | 46.1 | 25(42.3) | 58.9 | 3.4 | |
| Total | 995 | 634 | 408(41) | 42.5 | 331(33.2) | 32.7 | 3.7 | |||
| MEME | Bai-Bikom | N04.55092° | E09.33332° | 91 | 88 | 37(40.6) | 48.3 | 26(28.5) | 25.5 | 5.6 |
| Bai-Manya | N04.53364° | E09.32434° | 89 | 85 | 43(48.3) | 52.4 | 22(24.7) | 25 | 4.4 | |
| Bai-Panya | N04.52274° | E09.29944° | 43 | 41 | 16(37.2) | 34.7 | 9(20.9) | 17.7 | 4.2 | |
| Bakumba | N04.77192° | E09.28150° | 76 | 75 | 37(48.6) | 50.7 | 25(32.8) | 25.6 | 6.7 | |
| Big-Massaka | N04.68737° | E09.29251° | 157 | 156 | 104(66.2) | 68.3 | 77(49.1) | 47.9 | 4.8 | |
| Bikoki | N04.74523° | E09.28374° | 46 | 42 | 33(71.7) | 49.2 | 25(54.3) | 44.7 | 5.9 | |
| Boa-Bakundu | N04.62503° | E09.29812° | 60 | 59 | 33(55) | 64.3 | 29(48.3) | 56 | 8.3 | |
| Bombanda | N04.63250° | E09.27426° | 32 | 30 | 19(59.3) | 64.2 | 17(53.1) | 51.2 | 5.8 | |
| Bombele | N04.64910° | E09.26020° | 66 | 56 | 47(71.2) | 74 | 40(60.6) | 60.6 | 5.2 | |
| Kotto-Barombi | N04.46825° | E09.25617° | 66 | 65 | 14(21.2) | 28.6 | 9(13.6) | 15 | 4.6 | |
| Kumu-Kumu | N04.65166° | E09.24125° | 34 | 25 | 31(91.1) | 89.2 | 23(67.6) | 77.4 | 8.7 | |
| Marumba I | N04.58773° | E09.34178° | 50 | 46 | 35(70) | 73.7 | 24(48) | 51.1 | 6.1 | |
| Marumba II | N04.57106° | E09.34343° | 68 | 67 | 33(48.5) | 52.2 | 32(47) | 47 | 4.1 | |
| Newtown-Barombi | N04.49959° | E09.28003° | 96 | 95 | 33(34.3) | 32.2 | 26(27) | 22.1 | 4.2 | |
| Pete-Bakundu | N04.53776° | E09.36548° | 34 | 33 | 16(47.1) | 62.3 | 9(26.4) | 40.4 | 3.9 | |
| Small-Massaka | N04.80318° | E09.28325° | 33 | 33 | 18(54.5) | 53 | 14(42.4) | 31.6 | 4 | |
| Total | 1041 | 996 | 549(52.7) | 54.3 | 407(39.1) | 36.2 | 5.2 |
Nb = Number; CMFL = Community Microfilarial Load, Mf = Mirofilaria, Number > 20 yrs was used in calculating the CMFL.
The total line (bold) indicates the overall number of individuals examined, overall mf and nodule prevalence; and the overall intensity of infection for each drainage basin.