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Table 3 Comparison of preoperative and postoperative clinical outcomes based on preoperative T1S-CL

From: Does T1 slope minus cervical lordosis mismatch affect surgical outcomes of cervical laminoplasty in the absence of preoperative severe kyphosis?

  

Mismatch group (N = 8)

Match group (N = 92)

P value

Age, y, mean ± SD

 

69.8 ± 6.65

66.7 ± 10.7

0.42

Follow up period, mo, mean ± SD

 

20.4 ± 7.7

32.4 ± 21.6

0.01

Sex (male/female), n

 

7/1

60/32

0.20

C2-C7 angle (degrees)

Preop

6.25 ± 6.32

16.7 ± 11.7

 < 0.01

Postop

2.88 ± 7.38

15.9 ± 13.4

 < 0.01

T1 slope angle (degrees)

Preop

33.4 ± 8.70

24.0 ± 7.89

0.02

Postop

31.4 ± 11.1

25.7 ± 9.07

0.19

T1S-C27 angle (degrees)

Preop

27.1 ± 5.46

7.35 ± 8.01

 < 0.01

Postop

28.5 ± 11.7

9.87 ± 11.2

 < 0.01

C2-C7SVA (mm)

Preop

44.1 ± 8.66

23.4 ± 13.1

 < 0.01

Postop

47.8 ± 17.7

26.3 ± 16.0

0.01

NRS (Neck pain)

Preop

4.13 ± 2.90

3.22 ± 3.12

0.43

Postop

3.88 ± 2.69

2.59 ± 2.60

0.19

PCS

Preop

23.1 ± 22.5

25.1 ± 17.7

0.77

Postop

33.8 ± 10.9

33.8 ± 18.5

0.99

NDI

Preop

41.0 ± 14.7

37.2 ± 17.7

0.58

Postop

37.3 ± 18.7

25.7 ± 15.4

0.06

EQ5D

Preop

0.51 ± 0.13

0.57 ± 0.19

0.41

Postop

0.59 ± 0.14

0.69 ± 0.18

0.13

JOA score

Preop

10.4 ± 1.92

10.8 ± 2.29

0.62

Postop

13.0 ± 3.06

14.0 ± 2.15

0.24

JOARR

47.6 ± 35.2

48.9 ± 31.9

0.91

  1. The bold value indicates considered significant (P < 0.05). SVA sagittal vertical axis, NRS numeric rating scale, PCS physical component summary, NDI neck disability index, EQ5D Euro QOL 5 dimensions, JOA Japanese Orthopedic Association, JOARR recovery rate of the JOA score
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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