Table III.

Risk factors and outcomes of patients who had delayed SARS-CoV-2 RNA positivity

	Delayed RNA detection (N = 53)	%	No delay in RNA detection (N = 753)	%	Total (N = 806)	P
Risk factors
Age >65 years	36	67.9	381	50.60	417 (52.7 %)	0.015
Male	30	56.6	433	57.50	463 (57.4%)	0.898
BAMEa	16	33.33	450	65.98	466 (63.8%)	0.001
Dementia	9	16.98	89	11.82	98 (12.2%)	0.266
Hypertension	35	66.00	427	56.71	462 (57.3%)	0.184
Diabetes	26	49.06	169	22.40	195 (24.2%)	<0.001
Asthma/COPD	18	33.96	241	32.01	259 (32.1%)	0.768
Malignancy	12	22.64	76	10.09	88 (10.9%)	0.005
CKD	16	30.20	156	20.70	172 (21.3%)	0.104
CCI≥5	30	56.60	326	43.29	356 (44.1%)	0.059
Outcome
7-day mortality	1	1.89	108	14.34	109 (13.5 %)	0.01
14-day mortality	8	15.09	166	22.05	174 (21.6%)	0.235
30-day mortality	22	41.51	191	25.37	213 (26.4%)	0.01
Discharged	20	37.74	459	60.96	479 (59.4%)	0.001
How many of the discharged patients have been readmitted within 30 days N = 479	2	10.00	44	9.59	46 (9.6%)	0.951
ICU admission	18	33.96	236	31.34	254 (32.5%)	0.691
ICU admission <7 days	16	30.20	224	29.60	240 (29.8%)	0.946
Median length of stay	24 (IQR: 15–30)		10 (IQR: 5–22)		11 (IQR: 5–23)	<0.001

CCI, Charlson Comorbidity Index; CKD, chronic kidney disease; COPD, chronic obstructive pulmonary disease; ICU, intensive care unit; IQR, interquartile range; LOS, length of stay.

^aBAME (Black Asian and Minority Ethnicities) not recorded for 76 patients.