Table 2. Imaging parameters of PVM on the concave side and convex side in the DLS group.
| Level | PVM | CSA (mm2) | CT value (HU) | |||||
|---|---|---|---|---|---|---|---|---|
| Convex side | Concave side | P value | Convex side | Concave side | P value | |||
| L1 | PM | 104.34±63.99 | 133.33±73.94 | <0.001*** | 31.97±11.89 | 23.52±13.83 | <0.001*** | |
| MF | 185.02±57.46 | 165.90±52.53 | <0.001*** | 29.42±15.32 | 22.83±18.27 | <0.001** | ||
| ES | 1,365.29±412.46 | 1,269.31±359.97 | <0.001*** | 32.07±13.65 | 30.30±13.94 | <0.05* | ||
| L2 | PM | 317.12±126.32 | 383.07±138.13 | <0.001*** | 41.05±6.65 | 32.71±9.43 | <0.001*** | |
| MF | 249.85±86.00 | 220.04±80.71 | <0.001*** | 34.66±19.26 | 19.72±19.13 | <0.001*** | ||
| ES | 1,440.85±382.62 | 1,347.57±403.79 | <0.001*** | 30.44±14.09 | 27.97±13.02 | <0.05* | ||
| L3 | PM | 550.19±193.76 | 678.94±225.76 | <0.001*** | 41.70±6.02 | 35.67±8.35 | <0.001*** | |
| MF | 346.78±120.54 | 311.32±119.19 | <0.001*** | 32.52±16.23 | 22.04±17.36 | <0.001*** | ||
| ES | 1,271.97±354.18 | 1,216.69±343.97 | <0.001*** | 30.73±12.20 | 26.10±13.24 | < 0.01** | ||
| L4 | PM | 726.95±219.51 | 878.58±232.72 | <0.001*** | 40.95±6.83 | 37.49±7.82 | <0.001** | |
| MF | 505.43±168.10 | 450.00±157.40 | <0.001*** | 23.57±20.49 | 23.91±18.74 | 0.781 | ||
| ES | 1,012.72±290.50 | 975.86±281.74 | <0.05* | 27.89±12.57 | 25.70±14.87 | <0.05* | ||
| L5 | PM | 763.71±256.05 | 899.27±262.11 | <0.001*** | 40.99±7.04 | 39.52±7.28 | <0.05* | |
| MF | 570.00±156.23 | 540.69±145.37 | <0.001*** | 22.81±19.32 | 23.19±20.76 | 0.766 | ||
| ES | 488.43±236.98 | 500.68±243.12 | 0.38 | 17.19±13.57 | 14.25±18.21 | <0.05* | ||
Values are given as the mean ± standard deviation. *, P≤0.05; **, P≤0.01; ***, P≤0.001. PVM, paravertebral muscle; DLS, degenerative lumbar scoliosis; CSA, cross-sectional area; CT, computed tomography; HU, Hounsfield unit; PM, psoas major; MF, multifidus; ES, erector spinae.