Table 3.

Clinical outcomes and ICU complications.

	All N = 1090	COPD N = 88	Non-COPD N = 1002	p-Value
28-day mortality, n (%)	319 (29%)	36 (41%)	283 (28%)	0.02
90-day mortality, n (%)	369 (34%)	39 (44%)	330 (33%)	0.04
In-hospital mortality, n (%)	364 (37%)	39 (49%)	325 (36%)	0.02
ICU mortality, n (%)	354 (33%)	38 (45%)	316 (32%)	0.02
Length of hospital stay, days, median [IQR]	23 [14–37]	20 [11–31]	24 [14–37]	0.06
Length of ICU stay, days, median [IQR]	15 [9–26]	12 [8–24]	16 [9–26]	0.11
Ventilator-free days at day 28, days, median [IQR]	16 [10–28]	14 [10–30]	16 [10–28]	0.92
Duration of ventilation, days, median [IQR]	14 [8–23]	11 [8–20]	14 [8–23]	0.07
Tracheostomy, n (%)	187 (17%)	14 (16%)	173 (17%)	0.76
Pneumothorax, n (%)	41 (4%)	4 (5%)	37 (4%)	0.57
Thromboembolic complications, n (%)
Pulmonary embolism	244 (22%)	20 (23%)	224 (22%)	0.94
Deep vein thrombosis	53 (5%)	5 (6%)	48 (5%)	0.61
Ischemic stroke	31 (3%)	3 (3%)	28 (3%)	0.73
Myocardial infarction	16 (1%)	0 (0%)	16 (2%)	0.63
Systemic arterial thrombosis	4 (0%)	1 (1%)	3 (0%)	0.29
Acute kidney injury, n (%)	488 (45%)	38 (43%)	450 (45%)	0.73
Re-intubation, n (%)	138 (13%)	8 (9%)	130 (13%)	0.30

Abbreviations: COPD, chronic obstructive pulmonary disease; ICU, intensive care unit; IQR, interquartile range.