Table 3.

Multivariable regression analysis of age, sex, BMI, frailty and FI%

	B	95% CI for B	β	p value	VIF	Adjusted R2
Age	0.003	(0.002, 0.004)	0.267	< 0.001*	1.015	0.409
Sex	0.044	(0.029, 0.058)	0.332	< 0.001*	1.009
BMI	0.002	(0.000, 0.004)	0.105	0.058	1.016
Frailty	0.056	(0.042, 0.071)	0.415	< 0.001*	1.023

BMI Body mass index, VIF Variance inflation factor, * Statistical significance at the level of 0.05