Table 3 Details of pre- and postoperative radiologic findings in all patients (n = 50)

C2-7 angle (°)

3.6 ± 17.0

0.3 ± 16.5

TIA (°)

67.3 ± 11.9

67.4 ± 11.7

T1 slope (°)^a

12.7 ± 10.0

15.9 ± 8.9

C2-7 SVA (cm)

1.8 ± 0.9

1.9 ± 0.9

PTK (°)^a

7.3 ± 10.0

14.2 ± 10.4

TK (°)^a

24.5 ± 16.0

15.6 ± 5.4

LL (°)

−53.3 ± 14.8

−49.7 ± 9.9

Cobb (°)^a

51.6 ± 10.2

7.7 ± 5.6