Table 3.
Laboratory and chest radiography findings at admission among patients hospitalized with COVID-19 who did or did not develop critical illness.
| Total (n = 523) | Critical illness |
P-valuea | ||
|---|---|---|---|---|
| No (n = 413) | Yes (n = 110) | |||
| Neutrophil count, ×109/l, mean (SD) | 4.8 (2.7) | 4.5 (2.5) | 5.8 (3.2) | <0.001 |
| Lymphocyte count, ×109/l, mean (SD) | 1.2 (1.4) | 1.2 (1.1) | 1.2 (2.4) | 0.896 |
| Neutrophil to lymphocyte ratio, mean (SD) | 5.85 (5.91) | 5.00 (4.59) | 9.01 (8.63) | <0.001 |
| Platelet count, ×109/l, mean (SD) | 203.33 (92.28) | 207.71 (93.92) | 186.89 (84.22) | 0.035 |
| Haemoglobin, g/l, mean (SD) | 13.58 (1.69) | 13.67 (1.56) | 13.24 (2.10) | 0.049 |
| CRP, mg/l, mean (SD) | 8.35 (7.33) | 6.94 (6.07) | 12.94 (9.06) | <0.001 |
| Procalcitonin, ng/mL, mean (SD) | 0.3 (2.09) | 0.21 (1.85) | 0.61 (2.80) | 0.303 |
| Lactate dehydrogenase, U/l, mean (SD) | 223.98 (222.29) | 203.35 (140.70) | 301.16 (392.31) | 0.013 |
| Total bilirubin, mmol/l, mean (SD) | 0.43 (0.96) | 0.50 (1.06) | 0.17 (0.40) | 0.089 |
| Creatinine, μmol/l, mean (SD) | 1.32 (0.58) | 0.89 (0.47) | 1.34 (1.21) | <0.001 |
| Abnormal chest radiography, n (%) | 397 (75.9) | 299 (72.4) | 98 (89.1) | <0.001 |
CRP, C-reactive protein, SD, standard deviation.
a
T-test or Chi-square test (as appropriate in each case).