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Table 3 Comparisons to the literature

From: One‐level mini‐open pedicle subtraction osteotomy for treating spinal kyphosis in patients with ankylosing spondylitis

Author

No./age(yr)

Preop GK(°)

Final correction(°)

Final SVA (cm)

Final PT(°)

Operation time(min)

Blood loss (ml)

Zhu(2012) [27]

31/36

73.7

39.9

7.7

N/A

N/A

1740

Xu(2015) [28]

37/37

N/A

38.4

5.8

29.2

232

1240

Liu(2015) [20]

55/34

75.3

43.6

N/A

N/A

381

2729

Hua(2017) [23]

12/39.5

75.2

38.7

10.8

44.5

327

1525

Qiao(2018) [24]

17/35.3

67.56

39.4

6.4

N/A

N/A

N/A

Qiao(2018) [24]

47/34.2

74.28

44.4

5.2

N/A

N/A

N/A

Xin(2019) [6]

339/34.8

55.8

44.6

5.2

N/A

253

537

Huang(2019) [26]

100/34.7

71.6

47.6

4.5

23.3

332

1821

Wang(2019) [5]

27/40.3

50.6

28.9

8.7

N/A

301

1452

Wang(2019) [5]

30/37

49.3

31.7

5.2

N/A

279

1150

Current study

25/39.5

70.2

46.1

4.9

23.1

263

840

  1. GK Global kyphosis, SVA Sagittal vertical axis, PT Pelvic tilt, N/A Not applicable