Table 2.
Muscle/fat and total cross-sectional area ratios in Group 1 (lumbar disc herniation) and Group 2 (lumbar spinal stenosis) patients
| Group 1 | Group 2 | P | |
|---|---|---|---|
| L2-3 muscle ratio | 79.41±10.3 | 78.98±5.51 | 0.869 |
| L2-3 fat ratio | 20.58±10.3 | 21.01±5.51 | 0.870 |
| L3-4 muscle ratio | 75.56±9.39 | 74.01±7.5 | 0.567 |
| L3-4 fat ratio | 24.43±9.39 | 25.98±7.53 | 0.566 |
| L4-5 muscle ratio | 70.94±8.71 | 69.17±7.92 | 0.506 |
| L4-5 fat ratio | 29.05±8.76 | 30.82±7.92 | 0.507 |
| Total muscle ratio | 74.12±8.56 | 72.62±5.99 | 0.525 |
| Total fat ratio | 25.87±8.56 | 27.36±5.99 | 0.528 |
| TCSA L1-2 right | 22.22±5.02 | 22.32±5.59 | 0.957 |
| TCSA L1-2 left | 23.31±5.21 | 21.5±4.84 | 0.277 |
| TCSA L2-3 right | 24.44±5.32 | 23.54±4.65 | 0.572 |
| TCSA L2-3 left | 25.62±5.21 | 23.77±4.85 | 0.252 |
| TCSA L3-4 right | 25.96±5.36 | 24.94±4.46 | 0.519 |
| TCSA L3-4 left | 27.02±5.41 | 25.33±4.6 | 0.293 |
| TCSA L4-5 right | 26.17±6.17 | 25.26±5.01 | 0.614 |
| TCSA L4-5 left | 26.44±6.12 | 25.47±4.99 | 0.587 |
| TCSA L5-S1 right | 20.27±4.52 | 20.27±5.81 | 1 |
| TCSA L5-S1 left | 20.22±5.34 | 20.36±5.74 | 0.937 |
| TCSA L1-S1 right | 117.98±24.32 | 115.24±22.25 | 0.713 |
| TCSA L1-S1 left | 121.47±24.56 | 115.38±22.58 | 0.420 |
| TCSA L1-S1 total | 239.45±48.71 | 230.63±44.35 | 0.553 |
| Number of MRI slice | 22.65±4.55 | 24.5±4.66 | 0.212 |
MRI - Magnetic resonance imaging; TCSA - Total cross sectional area