Fig. 4

The interactive effects of age and BMI. Note: BMI: body mass index; GNRI: geriatric nutritional risk index; mCI: modified creatinine index. Interaction of age in GNRI prediction of functional dependence (a); Interaction of BMI in GNRI prediction of functional dependence (b); Interaction of age in mCI prediction of functional dependence (c); Interaction of BMI in mCI prediction of functional dependence (d)