Table 4.

Mortality predictors of unplanned extubation using logistic regression model.

Variables	Odds ratio	95% confidence interval		p value
		Lower	Upper
APACHE II	1.058	1.006	1.114	0.028
Comorbidity	1.247	0.855	1.821	0.252
Uremia	5.811	1.566	21.559	0.009
Liver cirrhosis	5.920	1.463	23.96	0.013
Respiratory rate (/min)	1.092	1.014	1.176	0.020
pH	0.030	0	19.166	0.288
FiO2 (%)	1.006	0.977	1.036	0.694
PEEP (cmH2O)	1.143	0.898	1.454	0.277
Hct	0.977	0.919	1.039	0.457
Creatinine	0.950	0.777	1.162	0.620
Albumin	0.685	0.351	1.337	0.268
Weaning status	0.388	0.156	0.966	0.042

n = 295