Table 3.

Outcomes based on the timing of the tracheostomy (early vs late)

	Unadjusted analysis		Adjusted analysis
	HR (95% CI)	P value	aHR (95% CI)	P value
ICU mortality	1.26 (0.39 to 4.03)	0.70	1.25 (0.38 to 4.06)	0.65
30-day mortality	1.52 (0.65 to 3.54)	0.32	1.46 (0.61 to 3.47)	0.33
6-month mortality	0.85 (0.44 to 1.63)	0.64	0.96 (0.49 to 1.88)	0.91
	RR (95% CI)		aRR (95% CI)
Ventilator-acquired pneumonia	0.96 (0.68 to 1.35)	0.82	1.10 (0.78 to 1.56)	0.61
	1/HR (95% CI)		1/aHR (95% CI)
Mechanical ventilation duration	0.49 (0.39 to 0.61)	< 0.001	0.53 (0.42 to 0.67)	< 0.001
ICU length of stay	0.54 (0.44 to 0.67)	< 0.001	0.57 (0.46 to 0.71)	< 0.001
Hospital length of stay	0.75 (0.60 to 0.93)	< 0.001	0.81 (0.64 to 1.02)	0.08

aHR = adjusted hazard ratio; aRR = adjusted relative rate; CI = confidence interval; HR = hazard ratio; ICU = intensive care unit; RR = relative rate