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Table 2 The pre-and post- radiological parameters between the four groups

From: Applications of the scoliosis width-to-length ratio for guiding selection of the surgical approaches of degenerative lumbar scoliosis

  Group A (n = 59) Group B (n = 28) Group C (n = 21) Group D (n = 34)
Cobb’s angle of main curve     
Preoperative 13.59 ± 4.87 28.50 ± 17.60 13.44 ± 3.81 26.50 ± 4.68
Follow-up 5.87 ± 4.98 24.00 ± 14.91 4.22 ± 5.51 8.66 ± 4.50
P values <0.001 0.09 <0.001 0.002
Cobb’s angle of compensatory curve     
Preoperative 5.31 ± 5.15 13.75 ± 6.55 2.56 ± 1.74 15.33 ± 1.63
Follow-up 1.68 ± 2.69 8.03 ± 2.57 1.05 ± 0.32 3.48 ± 2.28
P values <0.001 0.16 0.005 <0.001
Scoliosis W/AL ratio     
Preoperative 0.34 ± 0.04 0.49 ± 0.09 0.35 ± 0.02 0.43 ± 0.03
Follow-up 0.29 ± 0.03 0.42 ± 0.03 0.30 ± 0.02 0.31 ± 0.03
P values <0.001 0.19 <0.001 0.001
  1. Group A, patients whose W/L <0.36 and treated with short fusion
  2. Group B, patients whose W/L > 0.36 and treated with short fusion
  3. Group C, patients whose W/L <0.36 and treated with long fusion
  4. Group D, patients whose W/L > 0.36 and treated with long fusion