Table 2.

Uni- and multivariate linear regression analyses on “muscle strength” and “skeletal muscle mass”

Variable	Muscle mass				Muscle strength
	Univariate		Multivariate		Univariate		Multivariate
	r	p	r	p	r	p	r	p
Age	−0.15	<0.01	−0.16	0.042	−0.14	0.023	−0.14	0.021
BMI	0.03	0.112			0.04	0.356
WC	0.03	0.410			0.05	0.552
MMSE	0.07	0.124			0.09	0.065
GDS	−0.10	0.314			−0.12	0.321
CIRS-comorbidity	0.05	0.323			0.07	0.024	0.05	0.421
CIRS-Severity	−0.07	0.041	−0.06	0.048	0.09	0.012	0.08	0.071
Drug number	−0.08	0.028	−0.05	0.041	−0.07	0.035	−0.06	0.038
BADL	−0.12	0.050			−0.10	0.048	−0.09	0.049
IADL	−0.04	0.443			−0.03	0.542
MNA	0.08	0.045	0.05	0.687	0.09	0.052
Tinetti score	0.61	<0.01	0.048	0.024	0.53	<0.01	0.39	0.046
4-m walking speed	0.26	<0.01	0.25	0.042	0.24	0.025	0.27	0.045
PASE	0.15	0.034	0.13	0.064	0.18	0.015	0.13	0.065
Social support	−0.04	0.231			−0.08	0.215
Albumin	0.14	0.075			0.14	0.074
TIBC	0.18	0.073			0.13	0.079
Hemoglobin	0.24	<0.01	0.23	<0.01	0.29	<0.01	0.26	0.024
Lymphocytes	0.13	0.052			0.14	0.064
CRP	−0.26	<0.01	−0.09	0.421	−0.24	<0.01	−0.03	0.761
b-CHE	0.34	<0.01	0.30	<0.01	0.43	<0.01	0.34	0.041

The data in bold indicate the parameters with a statistical significance

BMI body mass index, WC waist circumference, BADL basic activity of daily living, IADL instrumental activity of daily living, MNA mini-nutritional assessment, CIRS cumulative illness rating scale, MMSE mini-mental state examination, GDS geriatric depression scale, PASE physical activity scale for the elderly, TIBC total iron binding capacity, CRP C-reactive protein, b-CHE butyryl-cholinesterase