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Table 5 Demographic and postoperative complications in the study groups after propensity score matching

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

  PD+ group PD− group p-value
Cases, n 24 24
Age at surgery (years) 70.8 ± 6.5 70.6 ± 11.5 0.95
Sex (male/female), m 5/19 3/21 0.70
BMI 23.2 ± 4.1 24.0 ± 4.1 0.49
BMD (T-score) −1.7 ± 1.2 − 2.0 ± 0.75 0.55
Number of fixed levels 9.0 ± 2.4 9.0 ± 2.0 0.95
3CO (yes/no) 7/17 11/13 0.37
Fix to sacrum (yes/no) 24/0 24/0
Pre SVA (mm) 185.7 ± 62.4 182.9 ± 76.9 0.89
Pre LL (°) 0.04 ± 21.8 −1.0 ± 20.0 0.86
Mechanical complication (yes/no) 14/10 (58.3%) 11/13 (45.8%) 0.38
Rod failure (yes/no) 6/18 (25.0%) 4/20 (16.7%) 0.48
Non-union 10/14 (41.7%) 4/20 (16.7%) 0.059
PJK (yes/no) 7/17 (29.2%) 9/15 (37.5%) 0.54
DJK (yes/no) 2/22 (8.3%) 0/24 (0%) 0.15
Vertebral fracture (yes/no) 6/18 (25.0%) 8/16 (33.3%) 0.53
Revision (yes/no) 8/16 (33.3%) 3/21 (12.5%) 0.086
Post SVA (mm) 50.0 ± 46.5 48.3 ± 42.8 0.89
Post LL (°) 41.7 ± 10.2 41.9 ± 12.1 0.95
Final SVA (mm) 89.9 ± 62.2 65.6 ± 46.9 0.13
Final LL (°) 39.4 ± 12.1 38.3 ± 14.2 0.95
SVA correction loss (mm) 39.8 ± 48.7 17.3 ± 38.8 0.08
LL correction loss (°) −3.3 ± 20.8 −3.5 ± 19.9 0.97
  1. 3CO Three-column osteotomy, BMD Bone mineral density, BMI Bone mass index, DJK Distal junction kyphosis, LL Lumbar lordosis, PD Parkinson’s disease, PJK Proximal junction kyphosis, SVA Sagittal vertical axis.