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Table 4 Postoperative radiographic parameters and demographics in the PD+ group according to whether revision surgery was required

From: Sagittal alignment changes and postoperative complications following surgery for adult spinal deformity in patients with Parkinson’s disease: a multi-institutional retrospective cohort study

  Revision No revision p-value
Cases, n 9 18
Pre SVA (mm) 187.0 ± 62.3 193.4 ± 63.6 0.84
Post SVA (mm) 60.2 ± 27.4 57.7 ± 39.2 0.87
Pre LL (°) −3.5 ± 27.3 4.9 ± 16.3 0.51
Post LL (°) 33.7 ± 13.4 44.6 ± 8.6 0.11
Pre TLK (°) 9.3 ± 6.9 11.2 ± 12.5 0.26
Post TLK (°) 11.4 ± 11.4 0.2 ± 11.6 0.074
Pre TK (°) 15.0 ± 16.0 26.3 ± 13.7 0.17
Post TK (°) 30.0 ± 18.5 40.1 ± 9.8 0.25
Pre SS (°) 16.2 ± 11.8 17.0 ± 6.5 0.87
Post SS (°) 24.3 ± 7.8 28.5 ± 6.2 0.28
Pre PT (°) 35.5 ± 7.3 37.0 ± 9.3 0.71
Post PT (°) 27.3 ± 5.2 26.2 ± 10.7 0.74
PI (°) 51.7 ± 8.7 54.6 ± 10.4 0.53
 Age at surgery (years) 68.5 ± 3.7 71.6 ± 6.5 0.19
 BMI 21.9 ± 3.7 23.8 ± 4.3 0.33
 Number of fixed levels 9.0 ± 2.5 10.2 ± 2.5 0.35
Duration of PD (months) 87.0 ± 56.9 32.5 ± 48.0 0.037
Hoehn and Yahr stage 2.8 ± 1.2 2.2 ± 1.3 0.29
 BMD (T-score) −2.1 ± 1.7 − 1.8 ± 1.2 0.81
  1. BMD Bone mineral density, BMI Bone mass index, LL Lumbar lordosis, PD Parkinson’s disease, PI Pelvic incidence, PT Pelvic tilt, SS Sacral slope, SVA Sagittal vertical axis, TLK Thoracolumbar kyphosis, TK Thoracic kyphosis.