Table 1.
Characteristics of individuals included in analysis
| March 20–June 20 |
July 20–December 20 |
January 21–March 21 |
p value | ||||
|---|---|---|---|---|---|---|---|
| Non-hospitalized (n = 128) | Hospita-lized (n = 84) | Non-hospitalized (n = 43) | Hospitalized (n = 36) | Non-hospitalized (n = 19) | Hospitalized (n = 22) | ||
| Gender (female), n (%) | 92 (72) | 39 (46) | 24 (56) | 12 (33) | 9 (47) | 5 (23) | 0.0006a |
| Age (years), median (IQR) | 47 (38–54) | 58 (48–67) | 43 (33–53) | 55 (45–63) | 46 (23–52) | 56 (49–62) | < 0.0001b |
| Severity | |||||||
| Asymptomatic, n (%) | 12 (9) | – | 7 (16) | – | 1 (5) | – | |
| Mild, n (%) | 116 (91) | – | 36 (84) | – | 18 (95) | – | |
| Hospitalized non-severe, n (%) | – | 31 (37) | – | 9 (25) | – | 2 (9) | |
| Hospitalized severe, n (%) | – | 41 (49) | – | 23 (64) | – | 20 (91) | |
| Hospitalized (intensive care unit), n (%) | – | 12 (14) | – | 4 (11) | – | 0 (0) | |
| Samples per participant median (IQR) | 3 (1–3) | 3 (2–4) | 2 (1–2) | 4 (2–4) | 1 (1–2) | 3 (2–4) | |
| Last sampling day, median (IQR) | 272 (180–360) | 311 (115–362) | 116 (21–186) | 183 (90–208) | 47 (17–108) | 32 (28–83) | |
| Length of follow up, days median (IQR) | 172 (0–256) | 185 (5–266) | 75 (0–166) | 169 (7–193) | 0 (0–80) | 26 (16–76) | |
IQR: IQR (25th and 75th percentiles).
a
Chi-square test.
b
Mann-Whiney test.