Table 2.
Laboratory findings and chest radiography of patients with COVID-19 at admission.
| Duration of viral sheddinga |
||||
|---|---|---|---|---|
| Variables | All patients (n = 147) | >17 days (n = 65) | ≤17 days (n = 82) | p value |
| Initial Ct valueb | ||||
| Median (IQR) | 33.5 (30.0−35.1) | 32.4 (28.7−34.7) | 34.1 (31.2−35.9) | 0.072 |
| Range | 24.1−38.3 | 24.1−38.3 | 26.7−37.6 | |
| PaO2 | ||||
| Median (IQR) | 88.3 (75.4−107.9) | 84.4 (71.4−99.8) | 91.9 (76.2−124.7) | 0.034 |
| Range | 54.9−182.1 | 56.4−170.2 | 54.9−182.1 | |
| Lymphocyte count <0.8 × 10⁹/L | 34 (23%) | 20 (31%) | 14 (17%) | 0.050 |
| Lactate dehydrogenase, U/L | ||||
| Median (IQR) | 162.2 (138.1−211.9) | 183.0 (143.0−230.4) | 153.4 (132.0−192.1) | 0.065 |
| Range | 77.9−373.3 | 77.9−343.1 | 93.2−373.3 | |
| C-reactive protein (mg/L) | ||||
| Median (IQR) | 12.9 (3.8−27.3) | 14.4 (3.9−28.6) | 12.5 (3.8−25.4) | 0.574 |
| Range | 0.2−97.8 | 0.2−78.1 | 0.2−97.8 | |
| Serum ferritin, μg/Lc | ||||
| Median (IQR) | 306.3 (150.4−593.6) | 404.2 (204.3−682.1) | 232.8 (123.3−517.7) | 0.029 |
| Range | 9.5−1676.0 | 9.5−1676.0 | 21.3−1625.5 | |
| ＞300 | 65 (50%) | 37 (61%) | 28 (41%) | 0.027 |
| Chest radiography | ||||
| Normal | 6 (4%) | 2 (3%) | 4 (5%) | 0.235 |
| Abnormal | ||||
| Bilateral lung | 124 (84%) | 59 (90%) | 65 (80%) | |
| Single lung—left | 8 (6%) | 3 (5%) | 5 (6%) | |
| Single lung—right | 8 (6%) | 1 (2%) | 7 (9%) | |
Abbreviation: COVID-19, coronavirus disease 2019; PaO2, partial pressure of oxygen.
a
The number of days from the symptoms onset till the successive negative detection of SARS-CoV-2 RNA.
b
Data regarding initial Ct value were missing for 86 patients (58%).
c
Data regarding serum ferritin were missing for 18 patients (12%).