Table 1. Results of nucleic acid tests for 17 discharged COVID-19 cases who were RT-PCR retested positive again for SARS-CoV-2.
| Variables | Number ( N = 17) | Days |
|---|---|---|
| Positive of specimens | ||
| Sputum | 14 (82.4%) | |
| Fecal or swab | 7 (41.2%) | |
| Throat | 5 (29.4%) | |
| Urine | 1 (5.9%) | |
| Both sputum and throat swab | 5 (29.4%) | |
| Both sputum and fecal | 4 (23.5%) | |
| All four specimens | 1 (5.9%) | |
| Frequency of positive (times) | ||
| 1 | 6 (35.3%) | |
| >1 | 11 (64.7%) | |
| Days of discharge to the last positive (days) | ||
| Shortest | 7 | |
| Longest | 48 | |
| Median | 16 | |
| Days for collection of continuous positive (days) | ||
| Fecal or anal swab samples | 19.0 ± 10.2 | |
| Others | 14.2 ± 5.5 |