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Table 4 SMI and PMI by sex and age

From: Loss of skeletal muscle mass affects the incidence of minimal hepatic encephalopathy: a case control study

  Male (n = 61) Female (n = 38) P value
(A) SMI and PMI by sex
 Grip strength (kg) 30.9 (14.2–43.5) 17.6 (7.2–25.2)  < 0.001
 Skeletal muscle area (cm2) 131.90 (86.99–188.46) 98.32 (72.12–143.99)  < 0.001
 Skeletal muscle index (cm2/m2) 51.0 (29.4–68.5) 45.1 (32.5–65.0) 0.001
 Psoas muscle area (cm2) 14.88 (6.46–24.49) 8.89 (5.11–15.79)  < 0.001
 Psoas muscle index (cm2/m2) 5.6 (3.1–9.2) 4.0 (2.5–7.6)  < 0.001
   < 80 years (n = 84)  ≥ 80 years (n = 15) P value
(B) SMI and PMI by age
 Grip strength (kg) 26.8 (8.9–43.5) 17.0 (7.2–28.3)  < 0.001
 Skeletal muscle area (cm2) 122.01 (72.12–188.46) 99.59 (72.31–173.66) 0.023
 Skeletal muscle index (cm2/m2) 47.9 (29.4–68.5) 47.3 (32.5–66.7) 0.507
 Psoas muscle area (cm2) 13.19 (5.11–24.49) 9.00 (5.33–23.29) 0.028
 Psoas muscle index (cm2/m2) 5.2 (2.5–9.2) 4.1 (2.5–8.9) 0.212
  1. SMI, Skeletal muscle index; PMI, Psoas muscle index
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BMC Gastroenterology

ISSN: 1471-230X

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