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Table 15 Combined effect of frailty and nutrition on mortality

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

Frailty index score Nutrition index score N (%) Cox regression analysis
Hazard ratio (95%CI) p value
≤ 0.1 ≤ 0.2 1740 (24.5) 1.00 (reference)  
> 0.2 to 0.3 1494 (19.5) 1.23 (0.71, 2.12) 0.468
> 0.3 to 0.4 880 (11.2) 1.48 (0.84, 2.64) 0.178
> 0.4 to 0.5 487 (5.7) 1.80 (0.95, 3.42) 0.073
> 0.5 257 (3.0) 1.59 (0.68, 3.69) 0.281
> 0.1 to 0.2 ≤ 0.2 424 (5.0) 1.59 (0.95, 2.65) 0.079
> 0.2 to 0.3 541 (6.0) 1.59 (0.95, 2.65) 0.069
> 0.3 to 0.4 422 (4.3) 2.13 (1.31, 3.46) 0.002*
> 0.4 to 0.5 329 (3.5) 3.26 (2.01, 5.29) < 0.001*
> 0.5 194 (1.8) 2.53 (1.44, 4.45) 0.001*
> 0.2 to 0.3 ≤ 0.2 123 (1.3) 1.70 (0.92, 3.15) 0.092
> 0.2 to 0.3 239 (2.4) 2.88 (1.77, 4.68) < 0.001*
> 0.3 to 0.4 255 (2.3) 3.04 (1.88, 4.91) < 0.001*
> 0.4 to 0.5 193 (1.7) 3.97 (2.44, 6.46) < 0.001*
> 0.5 139 (1.2) 4.23 (2.53, 7.08) < 0.001*
> 0.3 ≤ 0.2 73 (0.6) 2.64 (1.39, 5.01) < 0.001*
> 0.2 to 0.3 135 (1.2) 4.38 (2.62, 7.31) < 0.001*
> 0.3 to 0.4 194 (1.6) 5.26 (3.29, 8.39) < 0.001*
> 0.4 to 0.5 194 (1.6) 5.09 (3.16, 8.18) < 0.001*
> 0.5 217 (1.7) 8.17 (5.16, 12.94) < 0.001*
  1. The percentages are weighted
  2. All analyses were adjusted for age, sex, race, educational level, marital status, employment status, smoking, and study cohort, *p value < 0.05