Table 1

Relationship between the Prevalence of Onchocerca volvulus microfilariae and Onchocerca Skin Disease (OSD) among the Residents of Hawal River Valley


Males
Females
Both Sexes

Age Group
No. Exam
No. mf +ve
No. OSD +ve
No. Exam
No. mf +ve
No. OSD +ve
No. Exam
No. mf +ve
No. OSD +ve

(Years)
(No. SS)
(%)
(%)
(No. SS)
(%)
(%)
(No. SS)
(%)
(%)

≤ 10
461(114)
18(15.8)
169(36.7)
417(89)
13(14.6)
153(14.6)
878(203)
31(15.3)
322(36.7)
11 20
447(108)
19(17.6)
184(41.2)
454(111)
20(18.0)
181(39.9)
901(219)
39(17.8)
365(40.5)
21 – 30
523(127)
26(20.5)
220(42.1)
461108)
19(19.6)
198(41.0)
984(235)
45(19.1)
409(41.6)
31 – 40
556(142)
30(21.1)
285(51.3)
450(124)
26(19.8)
231(51.3)
1006(266)
56(21.1)
516(51.3)
41 – 50
548(150)
31(20.7)
265(48.4)
498(131)
26(19.8)
230(46.2)
1046(281)
57(20.3)
495(47.3)
≥ 51
507(137)
28(20.7)
223(44.0)
522(140)
25(17.9)
228(43.7)
1029(275)
53(19.3)
451(43.8)

Total
1042(776)
152(19.6)
1346(44.2)
2802(703)
129(18.3)
1212(43.3)
5844(1479)
281(19.0)
2558(43.8)

No. SS = No. Skin Snipped


mf+ve = Microfilari positive






Okoye and Onwuliri Filaria Journal 2007 6:15   doi:10.1186/1475-2883-6-15