Table 3.

Weaning success

Factor	RR for weaning success	95% CI	p Value
Male gender	0.89	0.75 to 1.07	0.212
Outside hospital referral	0.97	0.80 to 1.19	0.808
NMD/CWD	0.96	0.79 to 1.16	0.659
COPD	1.01	0.81 to 1.27	0.922
Postsurgical	1.06	0.86 to 1.31	0.571
ORRF	1.48	1.25 to 1.77	<0.001

COPD, chronic obstructive pulmonary disease; CWD, chest wall disease; NMD, neuromuscular disease; ORRF, obesity-related respiratory failure; RR, relative risk.