Table 2.
Symptom duration, laboratory parameters, and treatment
| Parameter | First wave (1,921) | Second wave (1,577) | p value |
|---|---|---|---|
| Symptoms and laboratory parameters | |||
| Duration from symptoms to hospital admission (median with IQR) in days* | 5 (4–8) | 5 (4–7) | 0.001 |
| HRCT score (median with IQR) | 14 (9–18) | 14 (10–18) | 0.584 |
| Hb (mean and SD) | 12.8 (2.0) | 12.8 (1.9) | 0.8 |
| TLC (mean and SD)* | 8.9 (4.9) | 8.4 (4.8) | 0.005 |
| Treatment received | |||
| Oxygen required (any modality) | 1,553/1,617 (96%) | 1,458/1,513 (96.8%) | 0.6 |
| Needed some form of ventilation (HFNC/CPAP/NIV)* | 853/1,282 (66.5%) | 853/1,103 (77.3%) | <0.001 |
| Needed intubation* | 404/1,536 (26.3%) | 503/1,275 (39.5%) | <0.001 |
| Received steroid* | 1,796/1,821 (98.6%) | 1,507/1,508 (99.9%) | <0.001 |
| Duration of steroid (median with IQR)* | 12 (9–14) | 9 (5–14) | <0.001 |
| Received LMWH | 1,842/1,852 (99.5%) | 1,543/1,547 (99.7%) | 0.28 |
*
Statistically significant. The denominator is different for many parameters, due to missing data for that particular parameter in the database