Table 1.

Overall, MT rRT-PCR group and MT antigen group participant demographics.

Categories	Overall (N = 325)	MT rRT-PCR (N = 178)	MT antigen (N = 147)
Total, n (%)
Adult	196 (60.3%)	100 (56.2%)	96 (65.3%)
Pediatric	129 (39.7%)	78 (43.8%)	51 (34.7%)
Age, years
Mean (min–max)	33.1 (0.1–82.6)	32.1 (0.1–82.6)	34.3 (0.4–78.3)
Median (25th–75th)	33.6 (9.3–54.8)	28.8 (9.5–55.2)	36.8 (9.0–54.2)
Gender, n (%)
Male	164 (50.5%)	91 (51.1%)	73 (49.7%)
Female	161 (49.5%)	87 (48.9%)	74 (50.3%)
Race, n (%)
White	110 (33.8%)	69 (38.8%)	41 (27.9%)
Black/African American	164 (50.5%)	81 (45.5%)	83 (56.5%)
Asian	17 (5.2%)	12 (6.7%)	5 (3.4%)
Other	34 (10.5%)	16 (9.0%)	18 (12.2%)
Ethnicity, n (%)
Hispanic	44 (13.5%)	24 (13.5%)	20 (13.6%)
Non-hispanic	281 (86.5%)	154 (86.5%)	127 (86.4%)
Days post-symptom onset
Mean (min–max)	3.5 (0.0–7.0)	3.4 (0.0–7.0)	3.6 (0.0–7.0)
Median (25th–75th)	3.0 (2.0–5.0)	3.0 (2.0–5.0)	3.0 (2.0–5.0)
NP result, n (%)
Positive	128 (39.4%)	74 (41.6%)	54 (36.7%)
Negative	197 (60.6%)	104 (58.4%)	93 (63.3%)

Missing: n = 1 for race/ethnicity (refused to answer).