Table 4 Quartile categories of L3 Skeletal muscle index: characteristics, complications and 5-year mortality
From: Risk factors, complications and survival after upper abdominal surgery: a prospective cohort study
1. quartile (n = 39) | 2. quartile (n = 39) | 3. quartile (n = 36) | 4. quartile (n = 43) | P-value | |
|---|---|---|---|---|---|
Range L3 SMI (cm2/m2) = W: 30.2-38.1 | Range L3 SMI (cm2/m2) = W: 38.2-41.1 | Range L3 SMI (cm2/m2) = W: 41.3-44.5 | Range L3 SMI (cm2/m2) = W: 45.6-58.7 | ||
M: 33.2-43.5 | M: 43.7-47.0 | M: 47.3-50.1 | M: 50.2-62.2 | ||
Age, mean (SD) | 67 (12) | 65 (11) | 59 (12) | 62 (12) | 0.024 |
BMI (kg/m2), mean (SD) | 22.9 (3.5) | 24.2 (3.7) | 24.9 (3.9) | 27.7 (4.8) | <0.001 |
Weight loss (%), mean (SD) | 6.0 (6.6) | 5.2 (6.2) | 5.2 (6.4) | 2.7 (5.0) | 0.001 |
Serum-albumin (g/l), mean (SD) | 39.9 (7.4) | 39.0 (4.0) | 39.8 (7.1) | 39.5 (5.2) | 0.911 |
Complicationsa, n (%) | 12 (30.8 %) | 18 (46.2 %) | 12 (33.3 %) | 12 (27.9 %) | 0.329 |
5-year mortality, n (%) | 22 (56.4 %) | 25 (64.1 %) | 25 (69.4 %) | 22 (51.2 %) | 0.360 |