Disease severity metrics pre-COVID-19 and during COVID-19
| Pre-COVID-19 (n=3255) | Post-COVID-19 (n=546) | P value | |||
| Mean/N | % | Mean/N | % | ||
| Surgery | 0.007 | ||||
| No | 1569 | 49 | 297 | 54 | |
| Yes | 1686 | 52 | 249 | 46 | |
| SOI | <0.001 | ||||
| Minor | 349 | 14 | 73 | 19 | |
| Moderate | 642 | 25 | 126 | 32 | |
| Major | 820 | 32 | 116 | 30 | |
| Extreme | 769 | 30 | 77 | 20 | |
| LOS | 5.50 | 3.91 | <0.001 | ||
| WBC at presentation | 11.24 | 10.80 | 0.225 | ||
| Maximum WBC in the first 24 hours | 11.83 | 11.37 | 0.230 | ||
| Sepsis | 650 | 20 | 83 | 15 | 0.009 |
LOS, length of stay; SOI, severity of illness; WBC, white blood cell.