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Table 3 Comparison of muscle area and SMI in different subgroups

From: Correlation between the Charlson comorbidity index and skeletal muscle mass/physical performance in hospitalized older people potentially suffering from sarcopenia

 Muscle area (cm2)SMI (cm2/m2)
Gender(n)
 Male(99)92.92 ± 22.4333.13 ± 7.74
 Female(69)73.45 ± 11.0529.73 ± 3.87
P-value< 0.001< 0.001
Age(n)
  > =80 (113)80.69 ± 17.7129.88 ± 5.99
  < 80 (55)93.62 ± 24.3435.54 ± 6.31
P-value< 0.001< 0.001
Duration of stay(n)
  > =30 days(7)82.44 ± 11.5529.09 ± 5.00
  < 30 days(161)85.03 ± 21.2831.84 ± 6.69
P-value0.750.284
Smoking(n)
 Yes(18)92.68 ± 24.6633.85 ± 8.64
 No(150)83.99 ± 20.3531.48 ± 6.35
P-value0.0960.153
  1. Muscle area and SMI (mean ± SD)