Table 2.
Baseline characteristics of patients who tested negative for SARS-CoV-2 antibody in the sera.
| 3 months post-discharge |
P1 value | 6 months post-discharge |
P2 value | |||
|---|---|---|---|---|---|---|
| Antibody negative cases (n = 18) | All examined cases (n = 127) | Antibody negative cases (n = 15) | All examined cases (n = 64) | |||
| Sex | 0.73 | 0.63 | ||||
| Male | 9 (50%) | 69 (54.3%) | – | 6 (40.0%) | 30 (47.5%) | – |
| Female | 9 (50%) | 58 (45.7%) | – | 9 (60.0%) | 34 (52.5%) | – |
| Age (years) | 41.9 (32.3–52.8) | 40.8 (32.0–52.5) | 0.64 | 30.5 (14.5–48.5) | 38.8 (30.0–50.0) | 0.15 |
| Age range (years) | – | – | ||||
| 0–17 (juvenile) | 2 (11.1%) | 14 (11.0%) | 0.99 | 6 (40.0%) | 10 (15.6%) | 0.03 |
| 18–44 (youth) | 6 (33.3%) | 58 (45.7%) | 0.32 | 4 (26.7%) | 28 (43.8%) | 0.23 |
| 45–59 (middle-aged) | 8 (44.4%) | 38 (29.9%) | 0.22 | 4 (26.7%) | 20 (29.9%) | 0.65 |
| ≥ 60 (elderly) | 2 (11.1%) | 17 (13.4%) | 0.79 | 1 (6.7%) | 6 (8.2%) | 0.70 |
Data are shown as the averages (IQR) or n (n/N%), where N is the total number of available patients.