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Table 4 Comparison of spine stability (−x ± s)

From: Percutaneous spinal endoscopy with unilateral interlaminar approach to perform bilateral decompression for central lumbar spinal stenosis: radiographic and clinical assessment

Time

segmental angulation (flexion)

segmental angulation (extension)

The ROM (flexion)

The ROM (extension)

preoperative

6.21 ± 2.16

7.27 ± 1.75

2.73 ± 0.72

2.95 ± 0.64

last follow-up

6.51 ± 1.56

7.01 ± 1.74

2.78 ± 0.54

2.87 ± 0.53