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Table 14 Association between nutritional index and mortality across levels of frailty

From: Frailty, nutrition-related parameters, and mortality across the adult age spectrum

Nutritional index Frailty index score
≤ 0.1 p value > 0.1 to 0.2 p value > 0.2 to 0.3 p value > 0.3 p value
HR (95%CI) HR (95%CI) HR (95%CI) HR (95%CI)
Nutritional index score (per 0.1 score) 1.15 (0.98, 1.35) 0.082 1.17 (1.06, 1.30) 0.002* 1.20 (1.08, 1.32) < 0.001* 1.27 (1.16, 1.38) < 0.001*
Nutritional index score in group
 ≤ 0.2 1.00   1.00   1.00   1.00  
 > 0.2 to 0.3 1.26 (0.72, 2.18) 0.420 0.99 (0.64, 1.53) 0.958 1.73 (1.01, 2.97) 0.046* 1.63 (0.91, 2.91) 0.100
 > 0.3 to 0.4 1.44 (0.80, 2.59) 0.219 1.35 (0.88, 2.06) 0.164 1.80(1.06, 3.05) 0.029* 2.05 (1.20, 3.52) 0.009*
 > 0.4 to 0.5 1.70 (0.88, 3.31) 0.117 2.04 (1.34, 3.11) 0.001* 2.34 (1.36, 4.01) 0.002* 1.92 (1.12, 3.31) 0.019*
 > 0.5 1.58 (0.66, 3.76) 0.302 1.49 (0.89, 2.51) 0.130 2.49 (1.42, 4.38) 0.001* 3.09 (1.81, 5.27) < 0.001*
P for trend across nutritional index group   0.097   0.001*   0.001*   < 0.001*
  1. All analyses were adjusted for age, sex, race, educational level, marital status, employment status, smoking, and study cohort, *p value < 0.05