Comparison of RPR and ELISA with TPHA for the Diagnosis of Syphilis: Implication for Updating Syphilis Point-of-Care Tests in Ethiopia

Table 1

The detection of syphilis by Randox-TPHA reactivity among study participants at University of Gondar Hospital, 2015–2016.

Demography		Total (%)	Randox-TPHA Positive (%)	Randox-TPHA Negative (%)	COR (95% CI)	AOR (95% CI)
Gender	Male	84 (52.5)	33 (39.3)	51 (60.7)	1.11 (0.58–2.10)	1.15 (0.59–2.25)
	Female	76 (47.5)	28 (36.8)	48 (63.2)	1	1; 1111111
Age (years)	20–30	121 (75.6)	48 (39.7)	73 (60.3)	0.76 (0.35–1.66)	0.75 (0.34–1.67)
	31–40	36 (22.5)	12 (33.3)	24 (66.7)	1	1
	≥41	3 (1.9)	1 (33.3)	2 (66.7)	N/A N/N/A	N/A
Residence	Urban	53 (33.1)	19 (35.8)	34 (64.2)	0.86 (0.44–1.71)	0.90 (0.44–1.83)
	Rural	107 (66.9)	42 (39.3)	65 (60.7	1	1

N/A: not considered during analysis; TPHA: T. pallidum hemagglutination assay; COR: crude odds ratio; AOR: adjusted odds ratio; CI: confidence interval; %: percent.