A Combination of Serum Biomarkers in Elderly Patients with Sarcopenia: A Cross-Sectional Observational Study

Table 1

Characteristics of participants.

Variable	Sarcopenia	Non-sarcopenia	value
Number	35	35	-
Gender, M : F (% men)	21 : 14 (60.0)	22 : 13 (62.9)	0.806
Age, year	75.1 ± 5.16	70.8 ± 5.50	0.001
BMI (kg/m^2)	22.73 ± 2.21	23.81 ± 1.82	0.028
Smoking status			0.762
Never smoker	14 (40%)	16 (45.7%)
Current smoker	15 (42.9%)	12 (34.3%)
Ex-smoker	6 (17.1%)	7 (20%)
Current comorbidities
Diabetes	10 (28.6%)	8 (22.9%)	0.584
COPD	17 (48.6%)	15 (42.9%)	0.631
ASMI
Mean	5.64 ± 0.81	6.71 ± 0.73	<0.001
Men	6.11 ± 0.53	7.25 ± 0.20	<0.001
Women	4.95 ± 0.65	5.80 ± 0.88	<0.001
Handgrip strength (kg)
Mean	21.04 ± 3.88	23.51 ± 5.23	0.028
Men	22.92 ± 3.25	24.83 ± 5.47	0.172
Women	18.21 ± 2.97	21.29 ± 4.08	0.033
Gait speed (m/s)	0.96 ± 0.13	1.15 ± 0.17	<0.001
SARC-F	6 (5–7)	2 (1–2)	<0.001
Skinfold thickness (mm)
Biceps	12 (5–20)	14 (6–28)	0.107
Subscapular	11 (5–22)	14 (5–26)	0.090
Muscle thickness (cm)
Biceps	1.75 ± 0.17	1.91 ± 0.35	0.019
Quadriceps	2.09 ± 0.29	2.30 ± 0.31	0.004
Albumin (g/L)	38.3 ± 2.79	39.5 ± 1.76	0.034

BMI: body mass index; COPD: chronic obstructive pulmonary disease; ASMI: appendicular skeletal muscle index. ; ; .