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Table 1 Characteristics of elderly Korean men older than 65 years by presence of sarcopenia

From: High prevalence of sarcopenia among binge drinking elderly women: a nationwide population-based study

Variables All Non-sarcopenia Sarcopenia P-value
  (n = 1698) (n = 1190) (n = 508)  
Age (years)* 72 ± 5.2 71.3 ± 4.9 73.8 ± 5.4 0.006
BMI (kg/m2)* 23.1 ± 2.9 23.9 ± 2.6 20.9 ± 2.7 0.232
Waist circumference (cm)* 84.5 ± 9.1 86.6 ± 8.2 79.4 ± 9.2 <0.001
Appendicular SMI (kg/m2)* 7.4 ± 1.0 7.9 ± 0.6 6.3 ± 0.6 0.092
Education (%)     0.368
 < Elementary school 49.7 48.8 51.8  
 Elementary school 17.2 18.2 15.0  
 Middle school 18.8 19.2 17.7  
 > Middle school 12.5 12.4 12.8  
Cigarette smoking status (%)     0.012
 Never 16.7 17.7 14.4  
 Former 25.0 23.2 29.3  
 Current 56.9 58.2 54.1  
Moderate physical activity (%)a 12.2 13.4 9.6 0.043
Walking physical activity (%)b 53.2 54.6 50.0 0.161
Income (%)     
 Quartile 1 (lowest) 24.5 23.4 27.2 0.302
 Quartile 2 23.9 24.3 23.0  
 Quartile 3 24.7 24.6 25.0  
 Quartile 4 (highest) 25.1 26.1 23.0  
Energy intake (kcal/day)* 1890.9 ± 699.3 1956.7 ± 695.6 1735.4 ± 684.0 <0.001
Protein intake (g/day)* 63.1 ± 31.2 65.7 ± 31.8 56.7 ± 28.6 <0.001
Comorbidity (%)     
 Diabetes 17.2 16.7 19.5 0.118
 Chronic obstructive pulmonary disease 0.4 0 1.2 0.349
 Chronic renal failure 0.6 0.5 0.8 0.01
 Malignancy 6.5 5.2 9.6 <0.001
  1. *All values are presented as the mean ± SD and percentage distribution of participants as appropriate: BMI body mass index, SMI skeletal muscle index, BMD bone mass density. Significance was compared between non-sarcopenia and sarcopenia groups using Student’s t-test or Pearson chi-square test
  2. aModerate physical activity was 5 or more days of moderate-intensity activity of at least 30 min per day
  3. bWalking physical activity was 5 or more days of walking of at least 30 min per day