Table 2

Age and Sex related frequency of occurrence of various forms of onchocerca skin diseases among residents of Hawal river valley


Age Group(Years)
No Examined
*Forms
APOD
CPOD
LOD
ATR
DPM
Total


Males
≤ 10
461

81(17.6)
56(12.1)
18(3.9)
0(0.0)
21(4.6)
176(38.2)


11 – 20
447

68(15.2)
64(14.3)
25(5.6)
12(2.7)
25(5.6)
194(43.4)


21 – 30
523

56(10.7)
94(18.0)
31(5.9)
18(3.4)
49(9.4)
248(47.4)
n = 1346

31 – 40
556

44(7.9)
101(18.2)
49(8.8)
20(3.6)
54(9.7)
268(48.2)


41 – 50
548

31(5.7)
108(19.7)
50(9.1)
23(4.2)
55(10.0)
267(48.1)


≥ 50
507

20(3.9)
88(17.4)
50(9.9)
23(4.5)
54(10.7)
235(46.4)



Total
3042

300(9.9)
511(16.8)
223(1.3)
96(3.2)
258(8.5)
388(45.6)


Females
≥ 10
417

79(18.9)
54(12.9)
15(3.6)
0(0.0)
30(7.2)
178(42.7)


11 – 20
454

67(14.8)
71(15.6)
23(5.1)
10(2.2)
38(8.4)
209(46.0)


21 – 30
461

46(10.0)
87(18.9)
24(5.2)
20(4.3)
45(9.8)
22(48.2)
n = 1212

31 – 40
450

42(9.3)
108(24.0)
28(6.2)
17(3.8)
47(10.4)
42(53.2)


41 – 50
498

25(5.0)
104(20.9)
47(9.4)
19(3.8)
52(10.4)
47(49.6)


≥ 50
522

17(3.3)
99(19.0)
50(9.6)
22(4.2)
55(10.5)
43(46.6)



Total
2802

276(9.9)
523(18.7)
187(6.7)
88(3.1)
267(9.5)
341(47.9)


• Subjects with two or more forms encountered.

APOD = Acute Papular Onchocerca Dermatitis.

CPOD = Chronic Papular Onchocerca Dermatitis.

LOD = Lichenified Onchocerca Dermatitis.

ATR = Atrophy.

DPM = Depigmentation

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