Table 2.
Assessment of skeletal muscle area.
| Modality | All subjects (N = 50) | Male (N = 31) | Female (N = 19) | P-value | |
|---|---|---|---|---|---|
| CT | Total (cm2) | 46.6 ± 11.0 | 51.8 ± 10.5 | 38.0 ± 4.8 | < 0.001 |
| Right (cm2) | 23.7 ± 5.4 | 26.4 ± 4.9 | 19.2 ± 2.1 | ||
| Left (cm2) | 22.9 ± 5.8 | 25.5 ± 5.7 | 18.8 ± 3.0 | ||
| P-value | 0.401 | 0.525 | |||
| MRI | Total (cm2) | 43.0 ± 11.1 | 47.4 ± 11.7 | 35.8 ± 4.1 | < 0.001 |
| Right (cm2) | 21.7 ± 5.7 | 23.9 ± 6.0 | 18.0 ± 2.4 | ||
| Left (cm2) | 21.3 ± 5.6 | 23.5 ± 6.0 | 17.8 ± 2.1 | ||
| P-value | 0.925 | 0.628 |
Cross-sectional areas of the paraspinal compartment are given as bilateral (total) skeletal muscle area as well as the respective right and left compartments in cm2 for both male and female patients as well as the entire study population (N = 50).
CT computed tomography, MRI magnetic resonance imaging.