Table 2.

Primary and secondary outcomes overall and by weaning status/6-month mortality

	Total N = 250	Weaning No, N = 61	Weaning Yes, N = 189	p value	Mortality No, N = 214	Mortality Yes, N = 36	p value
Weaning	189 (75.6%)	–	–	–	172 (80.4%)	17 (47.2%)	< 0.001
Weaning days	–	–	19.86 ± 10.00	–	19.49 ± 9.86	23.59 ± 10.93	0.154
Post-NIV	–	–	90 (47.6%)	–	80 (46.5%)	10 (58.8%)	0.322
Post-IMV 30 days	–	–	4 (2.1%)	–	–	–	–
Post-NIV out	–	–	54 (28.6%)	–	47 (27.3%)	7 (41.2%)	0.131
Mortality	36 (14.4%)	19 (31.1%)	17 (9.0%)	< 0.001	–	–	–
HDU days	28.24 ± 18.74	47.52 ± 23.62	22.02 ± 11.28	< 0.001	26.02 ± 16.74	41.44 ± 24.14	< 0.001
Hospital days	51.02 ± 21.22	47.89 ± 23.36	52.04 ± 20.44	0.217	50.10 ± 19.99	56.50 ± 27.12	0.183

NIV noninvasive ventilator, IMV invasive mechanical ventilation, HDU high-dependency unit