Table 3 Association between quartile of tracheostomy timing and mortality
|  | Quartile 1 Tracheostomy ≤ 15 days (n = 26) | Quartile 2 Tracheostomy 16–19 days (n = 23) | Quartile 3 Tracheostomy 20–26 days (n = 25) | Quartile 4 Tracheostomy > 26 days (n = 24) | OR for quartile increment (95% CI) | p value for trend |
|---|---|---|---|---|---|---|
ICU mortality | ||||||
 n (%) | 4 (15.4%) | 3 (13.0%) | 6 (24.0%) | 9 (37.5%) |  |  |
 Crude OR (95% CI) | 1 (reference) | 0.83 (0.16–4.15) | 1.74 (0.43–7.09) | 3.30 (0.86–12.70) | 1.57 (1.01–2.46) | 0.047 |
 Adjusted OR (95% CI)a | 1 (reference) | 0.85 (0.16–4.39) | 2.33 (0.53–10.20) | 3.41 (0.82–14.20) | 1.60 (1.00–2.56) | 0.049 |
Hospital mortality | ||||||
 n (%) | 5 (19.2%) | 8 (34.8%) | 8 (32.0%) | 12 (50.0%) |  |  |
 Crude OR (95% CI) | 1 (reference) | 2.24 (0.61–8.21) | 1.98 (0.55–7.16) | 4.20 (1.19–14.80) | 1.51 (1.03–2.23) | 0.037 |
 Adjusted OR (95% CI)a | 1 (reference) | 2.45 (0.65–9.22) | 2.48 (0.65–9.53) | 4.39 (1.16–16.60) | 1.55 (1.03–2.35) | 0.037 |