Detecting and staging podoconiosis cases in North West Cameroon: positive predictive value of clinical screening of patients by community health workers and researchers

Table 3 Relationship between CHIs’ and researchers’ screening for podoconiosis in North West Cameroon

Health District	Expected cases invited (by CHIs)	Expected cases Present	Confirmed cases	Predictive value^a (Based on confirmed cases and number present for validation) (%)	OR (95% CI)	P-value
BAFUT	304	86	30	34.9	0.24(0.12–0.56)	<0.0001
BAMENDA	134	45	19	42.2	0.32(0.15–0.70)	0.0034
BATIBO	227	44	15	34.1	0.23(0.10–0.51)	0.0002
BENGWI	50	23	12	52.2	0.48(0.19–1.25)	0.13
NDOP	232	75	52	70.0	Ref	Ref
TUBAH	122	53	30	57.0	0.58(0.28–1.20)	0.14
Overall total	1069	326	158	48.5

ISSN: 1471-2458