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Table 2 Comparison of sagittal parameters between pre-operation and post-operation (N = 74)

From: Change of cervical flexion range of motion influences postoperative sagittal alignment of the cervical spine after laminoplasty

Parameters

Pre-operation

Post-operation

P value

CL

12.91±8.67

6.84±11.50

0.000

cSVA

20.93±8.31

27.41±11.20

0.000

Total ROM

38.31±9.21

26.74±9.86

0.000

Flex ROM

29.50±8.04

17.44±8.91

0.000

Ext ROM

8.81±5.63

9.30±5.83

0.685

  1. CL: cervical lordosis, cSVA: cervical sagittal vertical axis, total ROM: cervical spine range of motion, Flex ROM: cervical spine range of flexion, Ext ROM: cervical spine range of extension