Table 2.
SARS-CoV-2 viral load characteristics in respiratory samples by specimen type and gender.
| SARS-CoV-2 Log10 copies/mL |
|||||||
|---|---|---|---|---|---|---|---|
| No. tested | No. pos. (% pos) | Average (SD) | Median | Minimum | Maximum | ||
| Specimen type | |||||||
| BAL | 130 | 8 (6.15 %) | 5.37 (2.13) | 5.06 | 2.65 | 8.90 | |
| Nasal swab | 677 | 61 (9.01 %) | 5.52 (2.35) | 5.99 | 1.38 | 9.18 | |
| Nasal wash | 42 | 5 (11.90 %) | 5.23 (2.64) | 5.74 | 2.36 | 8.52 | |
| NP Swab | 7682 | 711 (9.26 %) | 5.66 (2.03) | 5.78 | 0.93 | 9.49 | |
| NP wash | 63 | 5 (7.94 %) | 6.09 (2.25) | 6.90 | 2.97 | 8.59 | |
| OP swab | 191 | 8 (4.19 %) | 4.52 (1.30) | 4.47 | 2.69 | 6.53 | |
| NP/OP swab | 324 | 19 (5.86 %) | 5.66 (1.65) | 5.40 | 2.55 | 8.36 | |
| Not specified | 20,603 | 3611 (17.53 %) | 5.90 (1.96) | 6.13 | 0.91 | 10.42 | |
| Gender | |||||||
| Female | 17,587 | 2153 (12.24 %) | 5.88 (1.98) | 6.09 | 0.91 | 10.42 | |
| Male | 11,766 | 2261 (19.22 %) | 5.82 (1.97) | 6.02 | 0.92 | 9.84 | |
| Not specified | 360 | 14 (3.89 %) | 6.13 (2.20) | 6.53 | 1.66 | 8.63 | |