Table 2.
LSMI values calculated from the CT analysis and their relationships with the clinicopathological variables
| L3 muscle index (LSMI) | ||||
|---|---|---|---|---|
| Median | 25th percentile | 75th percentile | p value | |
| Gender | ||||
| Male | 47.16 | 41.20 | 54.09 | <0.001 |
| Female | 39.20 | 34.80 | 43.56 | |
| Age category (years) | ||||
| <65 | 45.42 | 39.58 | 51.80 | <0.001 |
| ≥65 | 41.55 | 35.91 | 47.66 | |
| NLR category | ||||
| Low | 44.25 | 37.57 | 52.62 | <0.001 |
| High | 41.56 | 36.36 | 47.47 | |
| ASA status | ||||
| I + II | 44.64 | 38.90 | 51.13 | <0.001 |
| III + IV | 40.52 | 35.72 | 45.56 | |
| Surgical approach | ||||
| Open | 43.12 | 36.31 | 51.18 | 0.710 |
| Laparoscopic | 43.79 | 37.90 | 49.68 | |
| Tumor site | ||||
| Colon | 42.81 | 37.46 | 49.38 | 0.016 |
| Rectum | 44.73 | 38.20 | 51.76 | |
| UICC stage | ||||
| I | 45.26 | 37.69 | 52.53 | 0.056 |
| II | 41.90 | 36.86 | 49.38 | |
| III | 44.36 | 38.52 | 50.35 | |
| IV | 42.66 | 37.91 | 46.88 | |
NLR neutrophil to lymphocyte ratio, ASA American Society of Anesthesiologists, UICC Union for International Cancer Control, L3 third lumbar vertebrae, LSMI lumbar skeletal muscle index, CT computed tomography
Bold p values indicate statistical significance at p < 0.05