Protein Intake, Especially Vegetable Protein Intake, Is Associated with Higher Skeletal Muscle Mass in Elderly Patients with Type 2 Diabetes

Table 2

Simple correlation on skeletal muscle index.

	Men		Women
	r	P	r	P
Age (year)	−0.008	0.941	−0.129	0.286
Disease duration (year)	0.087	0.397	0.080	0.513
Fasting plasma glucose (mmol/L)	0.144	0.158	−0.048	0.693
Hemoglobin A1c (%)	0.021	0.838	−0.191	0.112
C-reactive protein (μg/L)	−0.313	0.002	−0.098	0.416
C-peptide (nmol/L)	−0.141	0.169	−0.210	0.079
C-peptide index	−0.153	0.135	−0.156	0.193
Energy intake (kcal/day)	0.082	0.423	0.098	0.418
Protein intake (g/kg BW)	0.262	0.010	0.295	0.013
Animal protein intake (g/kg BW/day)	0.209	0.040	0.279	0.019
Vegetable protein intake (g/kg BW/day)	0.316	0.002	0.357	0.002
Animal protein to vegetable protein ratio	−0.008	0.937	0.102	0.396
Alcohol intake (g/day)	0.152	0.138	0.124	0.303

BW: body weight.