TABLE 1.

A₄₀₅ of PCR amplification products in the colorimetric enzyme immunoassay^a

Amplification products	A405 with:
	CT probe	IC probe
30 C. trachomatis EB	1.5	<0.05
102 ICD copies	<0.05	0.75
3 C. trachomatis EB and 1 ICD copy	1.3	<0.05
3 C. trachomatis EB and 10 ICD copies	1.3	0.21
3 C. trachomatis EB and 102 ICD copies	1.1	0.54
30 C. trachomatis EB and 102 ICD copies	1.4	0.19
3 × 102C. trachomatis EB and 102 ICD copies	1.6	0.12
3 × 103C. trachomatis EB and 102 ICD copies	2	<0.05
3 C. trachomatis EB and 102 ICD copies in urine without DNA extraction	0.16	0.67
3 C. trachomatis EB and 102 ICD copies in urine with DNA extraction	0.32	0.82

^aValues are means of three independent assays.