Table 2 ICU treatment and patient outcomes by quartile of the timing of tracheostomy
|  | Q1 Tracheostomy ≤ 6 days | Q2 Tracheostomy 7–10 days | Q3 Tracheostomy 11–14 days | Q4 Tracheostomy > 14 days | p value |
|---|---|---|---|---|---|
ECMO | 18/446 (4.0%) | 13/404 (3.2%) | 24/323 (7.4%) | 68/364 (18.7%) | < 0.001 |
CRRT | 42/446 (9.4%) | 62/404 (15.3%) | 107/323 (33.1%) | 161/364 (44.2%) | < 0.001 |
Duration of mechanical ventilation before tracheostomy, days | 4 (3–5) | 8 (7–9) | 13 (12–14) | 18 (16–21) | < 0.001 |
Duration of mechanical ventilation in ICU, days | 5.6 (3.9–8.6) | 10.8 (8.8–15.1) | 15.2 (13.1–22.8) | 23.5 (18.7–31.3) | < 0.001 |
Weaning from mechanical ventilation during ICU stay | 297/444 (66.9%) | 244/404 (60.4%) | 197/323 (61.0%) | 220/363 (60.6%) | 0.149 |
Length of ICU stay, days | 7.2 (5.0–11.0) | 12.9 (10.1–17.2) | 18.0 (14.6–26.7) | 27.5 (21.7–35.0) | < 0.001 |
Length of hospital stay, days | 51 (33–77) | 56 (36–90) | 64 (44–103) | 78 (51–119) | < 0.001 |