Table 1 Characteristics of five individuals with discordant CT OmpA genotypes between the screening (first) visit and follow-up treatment (second) visit

Sex	Race	Age (years)	New partner*	CT culture/PCR†	1st OmpA‡	2nd OmpA‡
Female	AA	22	N/A	+/ND	D/Da	E
Female	AA	17	Yes	−/+	F	E
Female	AA	29	N/A	−/+	H	Ia
Female	AA	28	No	+/ND	E	J/Ja
Female	AA	21	Yes	−/+	D/Da	J/Ja

*Between initial screening visit and follow-up treatment visit. †CT test results at treatment visit. ‡Refers to the OmpA type isolated at the first or second clinic visit as noted. AA, African American; CT, Chlamydia trachomatis; N/A, information not available; ND, not done; OmpA, outer membrane protein A genotype.