Table 4. Subject demographic characteristics by cycle threshold trajectory.

	Ct trajectory on repeat SARS-CoV-2 testing
	Decreasing Ct or interval negative test (N = 19)		Increasing Ct (N = 95)
Age (years)	40	(25–57)	40	(26–51)
Female	9	(47.4%)	55	(57.9%)
Race/ethnicity
Hispanic or Latino	6	(31.6%)	27	(28.4%)
Non-Hispanic Black	2	(10.5%)	2	(2.1%)
Non-Hispanic White	10	(52.6%)	58	(61.1%)
Other	1	(5.3%)	8	(8.4%)
Charlson Comorbidity Index	0	(0–1)	0	(0–2)
Time to first recurrent positive SARS-CoV-2 test (days)	88	(78–107)	83	(74–107)
Documented symptoms at repeat testing	10	(52.6%)	43	(45.3%)
Documented exposure at repeat testing	11	(57.9%)	22	(23.2%)
Any cycle threshold <30 on or after 60 days	11	(57.9%)	15	(15.8%)
Clinical probability of COVID-19 recurrence
Probable	4	(21.1%)	10	(10.5%)
Possible	6	(31.6%)	24	(25.2%)
Unlikely	9	(47.4%)	61	(64.2%)

Values displayed as median (IQR) or N (%).

Abbreviations: Ct, cycle threshold.