Table 5 Comparison of radiographic and clinical outcomes at final follow-up according to intraoperative C2S.
From: Evaluating intraoperative C2 slope as a radiographic guide for cervical deformity correction
Variable | Intraoperative C2S ≤ 0° (n = 27) | Intraoperative C2S > 0° (n = 18) | p-value | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Radiographic outcomes at final follow-up | ||||||||||||||||
C2 Slope (°) | 9.4 ± 6.7 | 16.9 ± 5.2 | < 0.001* | |||||||||||||
T1 Slope (°) | 25.1 ± 6.3 | 24.4 ± 6.1 | 0.682 | |||||||||||||
C2–7 Lordosis (°) | 16.4 ± 8.9 | 8.3 ± 5.5 | < 0.001* | |||||||||||||
T1S minus CL (°) | 8.8 ± 6.2 | 16.1 ± 5.5 | < 0.001* | |||||||||||||
C2–7 SVA (mm) | 22.0 ± 12.1 | 23.7 ± 12.3 | 0.637 | |||||||||||||
Clinical outcomes at final follow-up | ||||||||||||||||
Neck pain VAS | 0.5 ± 1.1 | 2.1 ± 2.0 | 0.001* | |||||||||||||
Arm pain VAS | 0.4 ± 1.1 | 0.9 ± 1.6 | 0.166 | |||||||||||||
NDI (%) | 17.5 ± 11.0 | 27.8- + 18.2 | 0.050 | |||||||||||||
NDI MCID achieved | 16 (59.3%) | 11 (61.1%) | 0.901 | |||||||||||||
JOA score | 16.3 ± 1.0 | 15.2 ± 2.5 | 0.095 | |||||||||||||
JOA recovery rate (%) | 85.5 ± 23.9 | 65.8 ± 38.9 | 0.068 | |||||||||||||
JOA recovery rate MCID achieved | 25 (92.6%) | 12 (66.7%) | 0.045* | |||||||||||||
EQ-5D VAS | 82.8 ± 16.9 | 77.1 ± 12.3 | 0.234 | |||||||||||||