Table 1 Comparison of overall parameters between MRI and CT groups
MRI (n = 24) | CT (n = 16) | p-value | ||
|---|---|---|---|---|
Female, n (%) | 13 (54.2%) | 9 (56.3%) | 0.897 | |
Age, mean ± SD | 61.79 ± 12.13 | 58.19 ± 12.04 | 0.362 | |
BMI (kg/m2) | 24.53 ± 3.61 | 25.46 ± 3.71 | 0.433 | |
Preoperative, mean (cm3 ± SD) | ||||
MF | Right | 33.08 ± 3.89 | 34.25 ± 3.65 | 0.835 |
Left | 33.83 ± 3.45 | 34.67 ± 3.53 | 0.870 | |
ES | Right | 90.83 ± 6.79 | 71.47 ± 9.05 | 0.090 |
Left | 85.24 ± 6.45 | 66.15 ± 9.70 | 0.097 | |
Psoas | Right | 59.96 ± NA | 68.25 ± NA | 0.420b |
Left | 63.59 ± 5.24 | 63.79 ± 7.08 | 0.982 | |
Height of vertebrae | 5.73 ± 0.48 | 5.58 ± 0.39 | 0.306 | |
1 year after PLIF, mean (cm3 ± SD) | ||||
MF | Right | 19.66 ± 1.69 | 27.63 ± 3.65 | 0.034a |
Left | 20.11 ± 2.08 | 26.71 ± 3.28 | 0.082 | |
ES | Right | 82.90 ± 6.96 | 49.54 ± 6.88 | 0.002a |
Left | 78.76 ± 6.19 | 53.75 ± 8.60 | 0.020a | |
Psoas | Right | 59.82 ± NA | 72.77 ± NA | 0.202b |
Left | 64.41 ± 5.93 | 67.60 ± 7.44 | 0.738 | |
Height of vertebrae | 5.81 ± 0.38 | 5.63 ± 0.37 | 0.148 | |