Variables

Malnutrition (GNRI < 92)

n = 136

Normal

n = 102

p-value

Age (years)

86.9 ± 7.1

83.8 ± 9.8

0.0022

Sex (male/female)

22/114

27/75

0.03

BMI (kg/m²)

18.8 ± 3.4

22.4 ± 3.0

<0.0001

Albumin (g/dL)

3.0 ± 0.4

3.7 ± 0.3

<0.0001

Hemoglobin (g/dL)

10.1 ± 1.5

11.9 ± 1.5

<0.0001

Preoperative waiting period (days)

5.6 ± 3.6

5.9 ± 4.5

0.7189

GNRI

80.1 ± 7.2

95.8 ± 4.1

<0.0001

1-year mortality rate

11.0% (15/136)

1.0% (1/102)

0.0011