The Geriatric Nutritional Risk Index Independently Predicts Mortality in Diabetic Foot Ulcers Patients Undergoing Amputations

Table 2

Independent predictor of all-cause mortality in DFU with amputations.

	Univariate analysis		Stepwise multivariate analysis
	HR (95% CI)	value	HR (95% CI)	value
Age (years)	1,044 (1.021–1.068)	<0.001	1.046 (1.022–1.072)	<0.001
BMI	0.918 (0.850–0.991)	0.029
Hypertension	1.867 (1.121–3.109)	0.016
Hemoglobin, g/L	0.985 (0.972–0.998)	0.028
Albumin, g/L	0.945 (0.906–0.985)	0.008
Creatinine, μmol/L	1.002 (1.001–1.003)	0.001
eGFR	0.985 (0.977–0.992)	<0.001	0.987 (0.979–0.995)	0.002
GNRI	0.960 (0.938–0.983)	0.001	0.945 (0.921–0.971)	<0.001

HR, hazard ratio; CI, confidence interval. Other abbreviations are as in Table 1.
In the multivariate model, the following variables were added as independent variables: age, sex, history of hypertension, albuminuria hemoglobin level, estimated glomerular filtration rate, the presence of minor or major amputation, Wagner classification, and GNRI.