Table 5 Test of proportional hazard assumption with rank detail of data from critically ill patients on mechanical ventilation at Dessie Comprehensive specialized, Ethiopia, 2021. (n = 376)
S/N | Predictors | rho | X2 | df | P-value |
|---|---|---|---|---|---|
1 | Sex: Ref: Female | 0.03343 | 0.20 | 1 | 0.659 |
2 | Age | -0.05451 | 0.52 | 1 | 0.470 |
3 | Respiratory rate | -0.06111 | 0.63 | 1 | 0.426 |
4 | Pulse rate | 0.07885 | 0.99 | 1 | 0.320 |
5 | Oxygen saturation: Ref: < 90 | -0.00230 | 0.00 | 1 | 0.976 |
6 | Comorbidities: Ref: Yes | 0.03525 | 0.08 | 1 | 0.660 |
7 | Glasgow Coma Scale: Ref: ≤ 8 | 0.03841 | 0.25 | 1 | 0.620 |
8 | Diagnosis category: Ref: Trauma | -0.06052 | 0.66 | 1 | 0.418 |
9 | Use of tracheostomy: Ref: No | -0.09239 | 1.30 | 1 | 0.254 |
10 | Type of respiratory failure: Ref: Type II | -0.03971 | 0.28 | 1 | 0.596 |
Global Test | 5.88 | 10 | 0.825 |