| Q1 Tracheostomy ≤ 6 days | Q2 Tracheostomy 7–10 days | Q3 Tracheostomy 11–14 days | Q4 Tracheostomy > 14 days | OR for quartile increment (95% CI) | p value for trend |
---|---|---|---|---|---|---|
ICU mortality | ||||||
 n (%) | 17/444 (3.8%) | 20/405 (4.9%) | 29/322 (9.0%) | 56/364 (15.4%) |  |  |
 Crude OR (95% CI) | 1 (reference) | 1.30 (0.67–2.53) | 2.49 (1.34–4.61) | 4.57 (2.6–8.01) | 1.72 (1.44–2.05) | < 0.001 |
 Adjusted OR (95% CI) * | 1 (reference) | 1.25 (0.64–2.43) | 2.34 (1.25–4.35) | 4.57 (2.59–8.04) | 1.73 (1.45–2.07) | < 0.001 |
Hospital mortality | ||||||
 n (%) | 79 (17.7%) | 103 (25.4%) | 96 (29.7%) | 118 (32.4%) |  |  |
 Crude OR (95% CI) | 1 (reference) | 1.58 (1.14–2.2) | 1.96 (1.4–2.76) | 2.23 (1.61–3.09) | 1.29 (1.17–1.43) | < 0.001 |
 Adjusted OR (95% CI)* | 1 (reference) | 1.52 (1.08–2.13) | 1.82 (1.28–2.59) | 2.26 (1.61–3.16) | 1.30 (1.17–1.44) | < 0.001 |