Skip to main content

Table 4 Assessment of potential risk factors for onchocerciasis through O-5S qPCR assay

From: O-5S quantitative real-time PCR: a new diagnostic tool for laboratory confirmation of human onchocerciasis

Variable

Study population n (%)

Positive n (%)

Negative n (%)

P-valuea,b

Sample size

Patients

200 (100)

133 (100)

67 (100)

na

Distance of residence from river

< 1 km

163 (81.50)

113 (84.96)

50 (74.63)

0.08a

> 1 km

37 (18.50)

20 (15.04)

17 (25.37)

Fetching water from river nearby residence

Yes

191 (95.50)

128 (96.24)

63 (94.03)

0.49b

No

9 (4.50)

5 (3.76)

4 (5.97)

Collecting wood from nearby forest

Yes

134 (67.00)

97 (72.93)

37 (55.22)

0.01a*

No

66 (33.00)

36 (27.07)

30 (44.78)

Palpable inguinal lymph nodes

Not known

2 (1.00)

1 (0.75)

1 (1.49)

na

Yes

72 (36.00)

58 (43.61)

14 (20.90)

< 0.01a*

No

126 (63.00)

74 (55.64)

52 (77.61)

Skin itching around buttock

Yes

130 (65.00)

99 (74.44)

31 (46.27)

< 0.01a*

No

70 (35.00)

34 (25.56)

36 (53.73)

  1. aChi-square tests
  2. bFisher exact chi-square test
  3. *Significant differences were defined as P-value < 0.05
  4. Abbreviation: na not applicable