Consideration | Risk Ratio | 95% CI | p-value | |
---|---|---|---|---|
Classes of mechanical ventilation | GCS at hospital administration | 0.79 | 0.66 to 0.95 | 0.012 |
 | APACHE II at hospital admission | 1.12 | 1.00 to 1.26 | 0.049 |
 | Duration of mechanical ventilation (categorical) | 2.45 | 1.36 to 4.43 | 0.003 |
Number of days on mechanical ventilation | GCS at hospital admission | 0.80 | 0.66 to 097 | 0.024 |
 | APACHE II at hospital admission | 1.12 | 1.00 to 1.24 | 0.050 |
 | Duration of mechanical ventilation (days) | 1.07 | 1.01 to 1.15 | 0.046 |