Table 1.
Number of PCR POS cases (%) N = 47 | Number of PCR NEG cases (%) N = 160 | p-valuec | |
---|---|---|---|
Age | |||
0–18 | 2 (4.3) | 27 (16.9) | 0.07 |
19–34 | 14 (29.8) | 56 (35.0) | |
35–44 | 18 (38.3) | 49 (30.7) | |
45 or above | 13 (27.7) | 28 (17.5) | |
Sex | |||
Female | 29 (61.7) | 92 (57.5) | 0.73 |
Male | 18 (38.3) | 68 (42.5) | |
Ethnicity | |||
White | 13 (27.7) | 49 (30.7) | 0.02 |
Asian | 29 (61.7) | 108 (67.5) | |
Black | 5 (10.6) | 3 (1.9) | |
Number of systemic symptomsa | |||
0 | 10 (21.3) | 65 (40.6) | 0.36 |
1 | 13 (27.7) | 43 (26.9) | |
2 | 6 (12.8) | 36 (22.5) | |
3–4 | 18 (38.3) | 16 (10.0) | |
Number of respiratory symptomsb | |||
0 | 6 (12.8) | 45 (28.1) | <0.001 |
1 | 21 (44.7) | 59 (36.9) | |
2 | 13 (27.6) | 39 (24.4) | |
3–5 | 7 (14.9) | 17 (10.6) | |
Duration from symptom onset to specimen collection (days) | |||
Mean (SD) | 6.13 (5.28) | NA | NA |
Systemic symptoms refer to any of: fever, headache, myalgia or fatigue.
Respiratory symptoms refer to any of: cough, sore throat, shortness of breath or chest tightness/pain.
Chi-squared test to test the null hypothesis of independence between two categorical variables.