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Table 2 Number (percent) of positive samples in Ov16/IgG4-ELISA regarding community type. Statistically significant differences were found between rural and urban settings: Chi-square test: χ 2 = 13.25, df = 2, P < 0.001

From: Evaluation of onchocerciasis seroprevalence in Bioko Island (Equatorial Guinea) after years of disease control programmes

Setting Positive samples (n) Percent positive samples 95 % CI
Rural (n = 219) 29 13.2 9.4–18.4
Urban (n = 312) 14 4.5 2.7–7.4