Table 1.
Means and standard deviations of patient characteristics at the time of admission for the overall sample and subgroups stratified by in hospital mortality
| Parameter | Overall | Survived | Died | p-value | |||
|---|---|---|---|---|---|---|---|
| Mean (Overall) | SD (Overall) | Mean (Survived) | SD (Survived) | Mean (Died) | SD (Died) | ||
| ICU stay (days) | 8.9 | 6.8 | 8.6 | 6.7 | 9.4 | 6.9 | 0.479 |
| Hospital stay (days) | 18.6 | 13.7 | 20.8 | 14.9 | 15.4 | 10.9 | 0.007 |
| Age | 62.9 | 13.9 | 62.3 | 12.9 | 63.8 | 15.3 | 0.484 |
| Pulse (bpm) | 89.7 | 17.5 | 88.1 | 14.6 | 92.1 | 21.0 | 0.171 |
| Systolic blood pressure (mm Hg) | 131.6 | 25.1 | 137.3 | 23.3 | 123.3 | 25.3 | 0.000 |
| Diastolic blood pressure (mm Hg) | 66.3 | 14.6 | 68.3 | 13.9 | 63.2 | 15.2 | 0.031 |
| Respiratory rate (BR.PM) | 21.7 | 9.0 | 22.3 | 10.1 | 20.7 | 7.0 | 0.221 |
| SpO2 (%) | 96.9 | 3.8 | 97.0 | 3.9 | 96.9 | 3.5 | 0.948 |
| Temperature (°F) | 98.1 | 2.2 | 97.9 | 2.1 | 98.4 | 2.4 | 0.228 |
| pH | 7.3 | 0.6 | 7.3 | 0.8 | 7.4 | 0.1 | 0.341 |
| PaCO2 (mm Hg) | 33.8 | 9.0 | 35.4 | 8.6 | 31.5 | 9.2 | 0.006 |
| PO2 (mm Hg) | 92.7 | 44.3 | 89.6 | 44.5 | 97.3 | 44.0 | 0.265 |
| HCO3 (mEq/L) | 23.9 | 21.2 | 25.3 | 21.7 | 22.0 | 20.3 | 0.313 |
| Lactate (mmol/L) | 1.7 | 1.4 | 1.3 | 0.6 | 2.3 | 1.9 | 0.000 |
| GRES (mg/dL) | 173.4 | 88.7 | 174.2 | 95.1 | 172.2 | 79.2 | 0.881 |
| White blood cells (cell/µL) | 14.5 | 9.3 | 14.2 | 7.4 | 15.0 | 11.7 | 0.620 |
| Neutrophils (cells/µL) | 81.0 | 12.0 | 80.0 | 11.2 | 82.4 | 13.1 | 0.237 |
| Lymphocytes (cells/µL) | 9.3 | 6.8 | 10.1 | 6.4 | 8.2 | 7.2 | 0.081 |
| Eosinophils (cells/µL) | 1.0 | 2.0 | 1.2 | 2.0 | 0.7 | 1.9 | 0.124 |
| Monocytes (cells/µL) | 6.1 | 3.1 | 7.5 | 3.1 | 4.2 | 2.2 | 0.041 |
| NLR | 15.9 | 14.8 | 13.4 | 12.3 | 19.5 | 17.3 | 0.013 |
| PCT | 17.8 | 30.2 | 13.3 | 26.4 | 24.5 | 34.3 | 0.063 |
| CRP | 122.4 | 98.0 | 121.6 | 98.2 | 123.5 | 98.3 | 0.907 |
| Platelets (cells/µL) | 171.3 | 115.1 | 197.0 | 115.3 | 133.5 | 104.6 | 0.000 |
| Urea (mmol/L) | 90.6 | 60.6 | 83.9 | 57.2 | 100.3 | 64.4 | 0.110 |
| BUN (mmol/L) | 45.3 | 30.3 | 42.0 | 28.6 | 50.2 | 32.2 | 0.110 |
| CR (mg/dL) | 2.7 | 3.8 | 2.5 | 2.3 | 3.1 | 5.3 | 0.353 |
| Bilirubin (µm/L) | 2.2 | 4.5 | 1.2 | 1.8 | 3.7 | 6.5 | 0.003 |
| INR | 1.8 | 3.3 | 1.3 | 0.5 | 2.5 | 4.8 | 0.252 |