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Table 2 Sagittal alignment parameters, and interrater reliability for all patients

From: Increased Neck Tilt/T1 slope ratio may play an important role in patients with cervical kyphosis

Item

Preoperative

Pre- ICC

Postoperative

Post- ICC

Follow-up

Follow-up ICC

T1s (°)

20.73 ± 8.31

0.946

21.45 ± 7.74

0.920

23.35 ± 5.00

0.873

NT (°)

47.35 ± 5.00

0.842

45.65 ± 10.07

0.962

46.08 ± 9.61

0.964

C2-7 Cobb (°)

-5.93 ± 3.00

0.796

9.67 ± 6.61

0.925

7.91 ± 8.73

0.943

C2-7 SVA (cm)

1.41 ± 1.07

0.867

1.75 ± 0.71

0.908

1.43 ± 1.28

0.782

  1. ICC, interrater reliability; Postoperative, within 1 week after surgery; Follow-up, at least 36 months after the surgery
  2. T1s T1 slope, NT neck tilt, C2-7SVA C2-7 sagittal vertical axis