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Table 2 Postoperative 2-year follow-up parameters comparison between Ponte group and control group

From: Do hypokyphotic adolescent idiopathic scoliosis patients treated with Ponte osteotomy obtain a better clinical efficacy? A preliminary retrospective study

Parameters

Control group

Ponte group

P value

PT (°)

15.25 ± 2.17

14.43 ± 2.58

0.126

MT (°)

20.33 ± 3.75

15.18 ± 2.84

 < 0.001

TL/L (°)

8.38 ± 2.92

7.60 ± 2.23

0.187

CB (mm)

 − 5.95 ± 9.57

 − 9.18 ± 9.48

0.134

RSH (mm)

 − 3.10 ± 7.76

 − 4.53 ± 7.19

0.379

CSA (°)

0.40 ± 8.96

1.08 ± 6.74

0.704

TK (°)

19.93 ± 2.38

24.23 ± 2.71

 < 0.001

LL (°)

 − 40.25 ± 5.92

 − 42.98 ± 5.21

0.690

SVA (mm)

 − 10.18 ± 9.54

 − 7.93 ± 10.08

0.292

OT (min)

229.50 ± 26.84

262.00 ± 28.80

 < 0.001

IBL (ml)

979.75 ± 171.71

1103.25 ± 115.06

 < 0.001

NPS

13.53 ± 1.13

13.63 ± 0.84

0.655

Fusion segment

9.45 ± 0.50

9.53 ± 0.51

0.508

UIV (level)

 

0.630

 T3

4

6

 

 T4

23

19

 

 T5

13

15

 

LIV (level)

 

0.459

 T12

15

17

 

 L1

25

23

 
  1. PT proximal thoracic, MT main thoracic, TL/L thoracolumbar/lumbar, CB coronal balance, RSH radiographic shoulder height, CSA cervical sagittal alignment, TK thoracic kyphosis, LL lumbar lordosis, SVA sagittal vertical axis, OT operative time, IBL intraoperative blood loss, NPS number of pedicle screw, UIV upper instrumented vertebrae, LIV lower instrumented vertebrae
  2. Statistically significant values were bolded