Tracheostomy No tracheostomy Adjusted association
In-hospital mortality (%) 473 (21.5%) 4718 (42.1%) Odds ratio: 0.514 (95% CI 0.443 to 0.596)
Median length of critical care stay (IQR) 31 (22 to 43) 6 (3 to 12) Odds ratio for length of stay > 8 days (median): 41.143 (95% CI 30.979 to 54.642)