Table 1.
The characteristics of patients who received a PCR test for SARS-CoV-2.
| Public Health Center referral group (n = 781) | Direct walk-in group (n = 899) | p-value | |
|---|---|---|---|
| Age, years, median (IQR) | 37 (28–49) | 42 (28–65) | <0.001 |
| Male sex, n(%) | 441 (56.5) | 530 (59.0) | 0.30 |
| Non-Japanese, n(%) | 41 (5.2) | 71 (7.9) | 0.030 |
| Period, n(%) | 0.38 | ||
| First wave | 220 (28.2) | 236 (26.3) | |
| Second wave | 561 (71.8) | 663 (73.7) | |
| Specimens used for PCR, n(%)a | |||
| Nasopharyngeal swab | 777 (99.5%) | 888 (98.8%) | 0.12 |
| Sputum | 4 (0.5%) | 10 (1.1%) | 0.28 |
| Saliva | 0 (0.0%) | 3 (0.3%) | 0.25 |
IQR, interquartile range; PCR, polymerase chain reaction.
a
Some patients received more than one PCR test.