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Table 2 Operative characteristics of included patients

From: Factors and predictive model associated with perioperative complications after long fusion in the treatment of adult non-degenerative scoliosis

Characteristics Without perioperative complication (n = 125) With perioperative complication (n = 21) P value
LIV    0.952
 L4 or upper 103(70.5%) 18(12.3%)  
 L5 or lower 22(15.1%) 3(2.1%)  
RBC transfusion    0.233
  < 4u 106(72.6%) 15(10.3%)  
  > =4u 19(13.0%) 6(4.2%)  
Operative time (min) 249.7 ± 73.4 260.9 ± 73.8 0.516
Length of hospital stay (day) 13.4 ± 4.0 16.9 ± 6.0 0.017
Estimated blood loss (mL) 689.9 ± 415.5 884.5 ± 554.6 0.061
Preoperative Hgb (g/L) 130.9 ± 15.1 133.1 ± 7.3 0.288
Preoperative albumin (g/L) 43.1 ± 3.9 42.6 ± 2.5 0.512
Fusion levels    0.026
 4–10 56(38.4%) 4(2.7%)  
 11–15 69(47.3%) 17(11.6%)  
Instrumented vertebral levels    0.258
 4–10 39(26.7%) 4(2.7%)  
 11–16 86(58.9%) 17(7.6%)  
Decompression    0.375
 No 123(84.2%) 20(13.7%)  
 Yes 2(1.4%) 1(0.7%)  
Spinal osteotomy    0.038
 No 105(71.9%) 13(8.9%)  
 Yes 20(13.7%) 8(5.5%)  
Cobb (°)
 Preoperative 59.1 ± 19.7 73.1 ± 21.9 0.004
 Postoperative 23.8 ± 17.2 28.3 ± 19.4 0.274
 Change 35.3 ± 10.2 44.8 ± 17.0 0.022
SVA (mm)
 Preoperative 23.2 ± 17.0 20.3 ± 20.8 0.486
 Postoperative 19.4 ± 16.1 17.7 ± 20.9 0.663
 Change 15.0 ± 13.7 19.6 ± 19.5 0.315
TK (°)
 Preoperative 29.7 ± 15.7 36.3 ± 18.3 0.086
 Postoperative 30.7 ± 11.3 35.7 ± 13.4 0.076
 Change 10.4 ± 9.7 10.1 ± 7.3 0.899
PT (°)
 Preoperative 9.6 ± 7.9 9.0 ± 7.8 0.734
 Postoperative 10.3 ± 7.7 8.8 ± 8.3 0.413
 Change 5.4 ± 4.6 5.5 ± 5.1 0.898
SS (°)
 Preoperative 30.9 ± 12.7 31.3 ± 14.9 0.900
 Postoperative 28.3 ± 12.5 27.9 ± 15.5 0.894
 Change 7.9 ± 10.8 10.4 ± 10.0 0.314
LL (°)
 Preoperative 46.4 ± 16.4 49.0 ± 14.9 0.492
 Postoperative 43.8 ± 12.4 49.8 ± 16.1 0.050
 Change 10.0 ± 8.0 11.8 ± 7.9 0.354
PI (°)
 Preoperative 39.8 ± 16.1 38.8 ± 20.1 0.810
 Postoperative 37.8 ± 16.9 34.8 ± 21.0 0.456
 Change 9.1 ± 12.9 9.6 ± 13.9 0.877
PI-LL (°)
 Preoperative 12.9 ± 14.3 16.7 ± 15.3 0.246
 Postoperative 8.1 ± 8.4 11.1 ± 11.2 0.143
 Change 4.7 ± 13.0 3.7 ± 12.0 0.256
  1. LIV lowest instrumented vertebra, RBC red blood cell, SVA sagittal vertical axis, TK thoracic kyphosis, PT pelvic tilt, SS sacral slope, LL lumbar lordosis, PI pelvic incidence, PI –LL pelvic incidence minus lumbar lordosis