GDF-15 Is Associated with Poor Physical Function in Prefrail Older Adults with Diabetes

Table 3

Logistic regression weights on the variables for the prediction model for poor physical function.

Variable	Weights from the B estimate
Diabetes	-0.092
Age	0.093
BMI	0.032
Education years	0.041
Total MNA score	0.047
RAPA score	-0.163
Male	-0.059
GDF-15 tertile 2	0.513
GDF-15 tertile 3	0.886
TNF-α tertile 2	0.384
TNF-α tertile 3	0.146
IL-6 tertile 2	0.627
IL-6 tertile 3	0.503
Constant	-7.705
AUC	0.719, 95% CI (0.612–0.826)

BMI: body mass index; IL-6: interleukin-6; TNF-α: tumour necrosis factor alpha; GDF-15: growth differentiation factor 15.