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Table 2 Body composition according to the stage of fibrosis

From: Relationship between body composition and the histology of non‐alcoholic fatty liver disease: a cross‐sectional study

Index Median (IQR) P-value
Stage 0 (n = 29) Stage 1–2 (n = 60) Stage 3–4 (n = 60)
Muscle mass, kg 27.4 (21.7–31.7) 22.9 (19.9–29.7) 23 (19.2–28.3) 0.09
Muscle mass/ht2, kg/m2 9.8 (9.3–11) 9.5 (8.3–10.6) 9.4 (8.4–10.5) 0.29
ASM, kg 20.9 (15.8–23.1) 16.9 (14.4–21.8) 17.3 (13.9–21.5) 0.13
SMI, kg/m2 7.3 (6.9–8.1) 7.1 (6.1–7.8) 7.1 (6–8.1) 0.61
Muscle mass of upper extremity, kg 5.4 (4.2–6.3) 4.7 (3.8–6.1) 4.6 (3.8–6.2) 0.27
Muscle mass of upper extremity/ht2, kg/m2 2 (1.8–2.2) 2 (1.6–2.2) 1.9 (1.6–2.2) 0.85
Muscle mass of lower extremity, kg 15.4 (11.9–16.7) 12.2 (10.4–15.8) 12.5 (10.2–15.4) 0.08
Muscle mass of lower extremity/ht2, kg/m2 5.5 (5.1–5.8) 5.2 (4.5–5.7) 5.1 (4.4–5.9) 0.5
Fat mass, kg 21.1 (13.6–25.6) 26.1 (20.6–31.8) 26.3 (19.4–33.8) 0.03
BFMI, kg/m2 8.4 (4.9–10.9) 10.2 (7.8–12.6) 10.3 (7.8–14) 0.01
Visceral fat area, cm2 113.1 (90.2–135.5) 127.7 (115.4–152.2) 138.4 (117–158.3) < 0.01
Waist-hip ratio 0.92 (0.9–0.96) 0.96 (0.92–0.99) 0.99 (0.92–1.01) < 0.01
SMI/BFMI 0.88 (0.65–1.54) 0.66 (0.53–0.85) 0.7 (0.52–0.86) < 0.01
  1. Kruskal-Wallis test or one-way analysis of variance was used. P < 0.05 was considered statistically significant
  2. IQR, interquartile range; ht2, height squared; ASM, appendicular skeletal muscle mass; SMI, skeletal muscle index; BFMI, body fat mass index