Table 2.

ICU stay characteristics

Variables	Categories	All	Survivors	Non survivors	p-value
	N	3920	2327	1514
Intubation	Yes	1953 (49.9%)	939 (40.4%)	974 (64.5%)	< 0.0001
Tracheostomy	Yes	264 (6.8%)	168 (7.2%)	90 (6%)	0.14
Non invasive ventilation	Yes	903 (23.1%)	547 (23.6%)	342 (22.6%)	0.51
Vaso active drugs	Yes	2329 (59.5%)	1169 (50.3%)	1114 (73.6%)	< 0.0001
Renal replacement therapy	Yes	429 (11%)	163 (7%)	259 (17.1%)	< 0.0001
Withholding of treatment	Yes	1140 (29.4%)	390 (16.9%)	738 (49.2%)	< 0.0001
Withdrawing of treatment	Yes	545 (14%)	27 (1.2%)	517 (34.4%)	< 0.0001
ICU LOS in days	Median (range) (IQR)	3.88 (0.04-30) (1.83-8)	3.67 (0.04-30) (1.92–7.71)	4 (0.04-30) (1.54–8.46)	0.75
ICU survival	Missing	13	10	3
	Alive	2828 (72.5%)	2285 (98.6%)	471 (31.2%)	< 0.0001
30 days’ survival	Missing	79
	Alive	2346 (61.1%)
Day of death	Median (range) (IQR)			7 (0–30)(3–14)

Non-survivors are defined by 30-day mortality