Table 4.
Cox proportional hazard regression of predictors on recovery of critically ill patients on mechanical ventilation at Dessie Comprehensive specialized, Ethiopia, 2021. (n = 376)
| Predictors | Category | Recovery | CHR(95% CI) | AHR (95% CI) | P-value | |
|---|---|---|---|---|---|---|
| Event | Censored | |||||
| Sex | Male | 80 | 137 | 0.783(0.573- 1.070) | 0.758(0 .547- 1.050) | 0.095 |
| Female | 79 | 80 | 1 | 1 | ||
| Age | 40.73 ± 16.27 | 40.73 ± 16.27 | 0.992(0.982- 1.003) | 0.992(0.981–1.00) | 0.106 | |
| Type of respiratory failure | Type I | 66 | 81 | 0.807(0.904- 1.697) | 0.914( 0.631–1.325) | 0.635 |
| Type II | 93 | 136 | 1 | 1 | ||
| Diagnosis category at time of receiving MV | Trauma | 55 | 115 | 1 | 1 | |
| Non-trauma | 104 | 102 | 1.722(1.2411–2.391) | 1.690( 1.150- 2.485) | 0.008* | |
| Respiratory rate | ≤ 20 | 43 | 37 | 1.301(0.916- 1.848) | 1.417(0 .983- 2.044) | 0.062 |
| > 20 | 116 | 180 | 1 | 1 | ||
| Oxygen Saturation | < 90 | 75 | 150 | 1 | 1 | |
| ≥ 90 | 84 | 67 | 1.481(1.083- 2.027) | 1.600(1.157- 2.211) | 0.004 * | |
| Comorbidities | Yes | 47 | 97 | 1 | 1 | |
| No | 112 | 120 | 1.578(1.121- 2.221) | 1.774(1.250- 2.519) | 0.001 * | |
| Glasgow Coma Scale | ≤ 8 | 45 | 111 | 1 | 1 | |
| 9–12 | 86 | 86 | 1.584(1.103- 2.274) | 1.993( 1.358- 2.924) | < 0.001 * | |
| 13–15 | 26 | 20 | 1.865(1.162- 2.992) | 2.451( 1.483- 4.051) | < 0.001 * | |
| Use of tracheostomy | Yes | 51 | 43 | 0 .394(0.271- 0.572) | 0.276(0.180–0.422) | < 0.001 * |
| No | 108 | 174 | 1 | 1 | ||
* Statistically Significant at P < 0.05