Skip to main content
. 2023 Sep 18;14(3):236–244. doi: 10.4103/jcvjs.jcvjs_40_23

Table 8.

Correlation between paraspinal muscle ratio, preoperative and postoperative sagittal parameters, total cross-sectional area, pre- and post-operative pain scales, Oswestry Disability Index in Group 1 (lumbar disc herniation) and Group 2 (lumbar spinal stenosis) patients

Muscle percentile L4.5 Muscle Postop LL Postop SVA Preop Oswestry Preop LL Preop SVA TCSA Total Preop TK Preop VAS Leg Oswestry Change
Muscle percentile
 Pearson Correlation 1 0.902** -0.487** -0.563** -0.197 -0.478** -0.543** 0.028 -0.170 -0.326* -0.098
 Sig. (2-tailed) 40 0.000 0.001 0.000 0.223 0.002 0.000 0.865 0.294 0.40 0.548
n 40 40 40 40 40 40 40 40 40 40
L4.5 Muscle
 Pearson Correlation 0.902** 1 -0.392* -0.374* -0.320* 0.483** -0.506** -0.30 -0.149 -0.397* -0.139
 Sig. (2-tailed) 0.000 40 0.12 0.18 0.44 0.002 0.001 0.856 0.359 0.11 0.393
n 40 40 40 40 40 40 40 40 40 40
Postop LL
 Pearson Correlation -0.487** -0.392* 1 0.367* 0.297 0.864** 0.261 -0.291 0.033 0.250 0.323*
 Sig. (2-tailed) 0.001 0.12 40 0.020 0.063 0.000 0.104 0.069 0.838 0.119 0.042
n 40 40 40 40 40 40 40 40 40 40
Postop SVA
 Pearson Correlation -0.563** -0.374* 0.367* 1 0.080 0.206 0.615** -0.095 0.174 0.163 0.000
 Sig. (2-tailed) 0.000 0.18 0.020 40 0.623 0.201 0.000 0.560 0.284 0.315 1.000
n 40 40 40 40 40 40 40 40 40 40
Preop Oswestry
 Pearson Correlation -0.197 -0.320* 0.297 0.080 1 0.324* 0.056 -0.039 0.090 0.727** 0.754**
 Sig. (2-tailed) 0.223 0.44 0.063 0.623 40 0.041 0.733 0.812 0.579 0.000 0.000
n 40 40 40 40 40 40 40 40 40 40
Preop LL
 Pearson Correlation -0.478** -0.483** 0.864** 0.206 0.324* 1 0.361* -0.187 -0.196 0.288 0.378*
 Sig. (2-tailed) 0.002 0.002 0.000 0.201 0.041 40 0.022 0.249 0.226 0.071 0.016
n 40 40 40 40 40 40 40 40 40 40
Preop SVA
 Pearson Correlation -0.543** -0.506** 0.261 0.615** 0.056 0.361* 1 0.097 -0.089 0.319* 0.020
 Sig. (2-tailed) 0.000 0.001 0.104 0.000 0.733 0.022 40 0.550 0.587 0.045 0.904
n 40 40 40 40 40 40 40 40 40 40
TCSA Total
 Pearson Correlation 0.028 -0.030 -0.291 -0.95 -0.039 -0.187 0.097 1 0.353* -0.100 -0.046
 Sig. (2-tailed) 0.865 0.856 0.069 0.560 0.812 0.249 0.550 40 0.025 0.539 0.776
n 40 40 40 40 40 40 40 40 40 40
Preop TK
 Pearson Correlation -0.170 -0.149 0.033 0.174 0.090 -0.196 -0.089 0.353* 1 -0.036 -0.057
 Sig. (2-tailed) 0.294 0.359 0.838 0.284 0.579 0.226 0.587 0.025 40 0.827 0.726
n 40 40 40 40 40 40 40 40 40 40
Preop VAS Leg
 Pearson Correlation -0.326* -0.397* 0.250 0.163 0.727** 0.288 0.319* -0.100 -0.036 1 0.510**
 Sig. (2-tailed) 0.40 0.11 0.119 0.315 0.000 0.071 0.045 0.539 0.827 40 0.001
n 40 40 40 40 40 40 40 40 40 40
Oswestry Change
 Pearson Correlation -0.098 -0.139 0.323* 0.000 0.754** 0.378* 0.020 -0.046 -0.057 0.510** 1
 Sig. (2-tailed) 0.548 0.393 0.042 1.000 0.000 0.016 0.904 0.776 0.726 0.001 40
n 40 40 40 40 40 40 40 40 40 40