| Variables | Regression Coefficient | Standard Error | Wald Z | P Value |
| History of present respiratory infection/respiratory failure | 1.2454 | 0.5324 | 2.34 | 0.0193 |
| Craniocerebral diseases | 0.6661 | 0.5493 | 1.21 | 0.2253 |
| Limb mobility | 0.6613 | 0.5249 | 1.26 | 0.2077 |
| Diabetes mellitus | 0.8857 | 0.5805 | 1.53 | 0.1271 |
| Hospitalization time | 0.3967 | 0.2078 | 1.91 | 0.0563 |
| Edema | 0.6038 | 0.5374 | 1.12 | 0.2612 |
| Norton score | 0.4882 | 0.5517 | 0.88 | 0.3762 |
| Defecation | 0.3344 | 0.3567 | 0.94 | 0.3485 |
| Hemoglobin | 0.2341 | 0.2749 | 0.85 | 0.3945 |
| Serum creatinine | 0.1805 | 0.1015 | 1.78 | 0.0753 |
| Hypertension | −1.1579 | 0.6631 | −1.75 | 0.0808 |
| Gender | −0.9994 | 0.5280 | −1.89 | 0.0584 |