Table 6.

Cox regression analysis of common nutritional evaluation index for possible predictors of all-cause mortality by reason of admission

	Adjusted HR with 95% CI for RTI			Adjusted HR with 95% CI for other reasons
	HR	95% CI	p	HR	95% CI	p
Age	1.139	1.007 to 1.287	0.038	1.254	0.873 to 2.497	0.986
BMI	0.837	0.676 to 1.035	0.101	0.817	0.364 to 1.007	0.748
Prealbumin	1.022	0.948 to 1.102	0.573	2.418	0.014 to 42.28	0.633
GNRI	1.057	0.978 to 1.143	0.159	1.231	0.816 to 4.941	0.747
CONUT	1.284	1.013 to 1.740	0.020	1.841	1.117 to 4.518	0.011

BMI, body mass index; CONUT, Controlling Nutritional Status; GNRI, Geriatric Nutritional Risk Index; RTI, respiratory tract infection.