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Table 3 Comparison of radiological changes between the two groups

From: One-stage posterior laminectomy with instrumented fusion and foraminotomy for cervical ossification of posterior longitudinal ligament with radiculopathy pain

Clinical features Group A (n=24) Group B (n=24) p value
SVA (mm)
 Preoperative 24.9±7.6 26.0±9.2 0.63
 Immediately postoperative 29.5±9.5 31.1±10.9 0.57
 1-year follow-up 29.1±9.5 30.9±10.0 0.53
Cervical lordosis (°)
 Preoperative 15.5±7.1 13.4±6.6 0.30
 Immediately postoperative 13.9±6.3 11.2±5.8 0.13
 1-year follow-up 12.3±5.8 9.7±5.8 0.13
Focal angulation (°)
 Preoperative 6.3±2.9 6.0±2.7 0.70
 Immediately postoperative 5.2±2.5 5.7±2.6 0.68
 1-year follow-up 4.8±2.5 4.5±2.4 0.62
Local spinal cord angle (°)
 Preoperative 31.5±7.8 30.8±7.7 0.75
 Immediately postoperative 21.1±4.0 20.5±6.8 0.74
 1-year follow-up 20.5±4.2 21.0±6.7 0.78