Table 2.

Odds ratios from unconstrained partial ordered logit models

	Negative vs traces, lightly positive, and highly positive	Negative and traces vs lightly positive and highly positive	Negative, traces, and lightly positive vs highly positive
0 microfilariae per mL	Ref (1)	Ref (1)	Ref (1)
1–4999 microfilariae per mL	1·61 (1·17–2·03), p=0·0030	1·97 (1·22–3·18), p=0·0051	1·90 (0·52–6·79), p=0·33
5000–14 999 microfilariae per mL	1·54 (0·97–2·45), p=0·07	2·65 (1·41–4·99), p=0·0025	5·39 (1·48–19·5), p=0·010
≥15 000 microfilariae per mL	3·13 (1·61–6·10), p=0·0008	5·10 (2·48–10·43), p<0·0001	20·49 (6·52–64·37), p<0·0001

Data are odds ratio (95% CI), p value.