Univariate analysis among 240 patients with confirmed SARS-CoV-2 infection
| Patient characteristics | N (%） | VST (days） | P value |
| Gender | |||
| Female | 98 (40.8%) | 10 (8.5–13) | 0.192 |
| male | 142 (59.2%) | 10 (7–13) | |
| Age (year) | |||
| <1 Y | 45 (18.7%) | 12 (10–14) | 0.000 |
| 1-6 Y | 124 (51.7%) | 10 (9–13) | |
| 6-12 Y | 52 (21.7%) | 8 (6–10) | |
| >12 Y | 19 (7.9%) | 7 (5–10) | |
| Family cluster infection | |||
| Yes | 193 (80.4%) | 10 (8–13) | 0.013 |
| No | 47 (19.6%) | 10 (6–12) | |
| Vaccination | |||
| Yes | 59 (24.6%) | 8 (6–10) | 0.000 |
| No | 181 (75.4%) | 11 (9–13) | |
| Clinical type | |||
| Mild | 207 (86.2%) | 10 (8–12) | 0.031 |
| Moderate | 33 (13.8%) | 12 (9–14) | |
| Chest CT | |||
| Normal | 92 (38.3%) | 10 (8–12) | 0.097 |
| Abnormal | 33 (13.7%) | 12 (9–14) | |
| Not done | 115 (48%) | 10 (7–13) | |
| Leucopenia | |||
| Yes | 96 (40%) | 12 (10–14) | 0.000 |
| No | 144 (60%) | 9 (7–11) | |
| Neutropenia | |||
| Yes | 65 (27.1%) | 11 (8–14) | 0.023 |
| No | 175 (72.9%) | 10 (8–12) | |
| Lymphopenia | |||
| Yes | 160 (66.7%) | 11 (9–13) | 0.000 |
| No | 80 (33.3%) | 9 (7–11) | |
P values were calculated by Mann-Whitney U test or Kruskal-Wallis test.
VST, viral shedding time; Y, years.