Table 2.

Factors associated with weaning outcomes.

Factor	Univariate Regression Analysis			Multivariate Regression Analysis
	OR	95%CI	p-Value	OR	95%CI	p-Value
Daily protein intake
≥1.065 g/kg/day	18.22	7.95–41.74	<0.001	4.97	1.14–21.79	0.033
≥1.2 g/kg/day	75.92	10.16–567.41	<0.001	89.07	6.8–1166.41	0.001
Daily caloric intake
≥24.48 kcal/kg/day	10.13	4.83–21.25	<0.001	3.78	0.88–16.21	0.073
Δ albumin
≥0.155 g/dL	2.88	1.44–5.76	0.003	3.68	1.16–11.69	0.027
Daily whey protein intake
≥0.405 g/kg/day	2.23	1.18–4.20	0.014	2.66	0.82–8.7	0.105
BMI	0.93	0.86–1.00	0.039	1.235	1.04–1.46	0.014
Cerebrovascular disease	2.58	1.31–5.10	0.006	2.43	0.73–8.06	0.146
ICU length of stay	0.97	0.94–1	0.03	1.042	0.81–1.34	0.75
Length of mechanical ventilation before RCC admission	0.97	0.94–0.99	0.018	1	0.77–1.31	0.984
Tracheostomy	0.27	0.14–0.51	0.000	0.08	0.02–0.29	0.000

BMI, body mass index; OR, odds ratio; 95% CI, 95% confidence interval; Δ albumin, difference between the 4th week and baseline serum albumin levels.