Silent Human Trypanosoma brucei gambiense Infections around the Old Gboko Sleeping Sickness Focus in Nigeria

Table 2

PCR and CATT based infection rates of Trypanosoma brucei gambiense in relation to sex.

Sex	Number examined	CATT positive	TgsGP-PCR positive
Female	600	7 (1.2)	2 (0.3)
Male	600	14 (2.3)	5 (0.8)
Total	1200	21 (1.8)	7 (0.6)
	—	2.375	1.293
value	—	0.1233	0.2554
Odds ratio	—	0.4941	0.3980