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Table 1 Comparison of patient characteristics between group GO and group PO

From: The change of cervical sagittal parameters plays an important role in clinical outcomes of cervical spondylotic myelopathy after multi-level anterior cervical discectomy and fusion

 

Total (n = 89)

Group GO (n = 54)

Group PO (n = 35)

t/z

p

Age (year)

58.97 ± 5.79

58.19 ± 5.68

60.17 ± 5.82

1.596

0.114

Sex (male/female)

40/49

26/28

14/21

0.570

0.450

BMI

25.74 ± 4.00

25.47 ± 3.53

26.17 ± 4.66

0.550

0.582

Duration of symptoms (months)

14.64 ± 8.02

11.41 ± 5.42

19.63 ± 8.85

4.618

< 0.001

Follow-up time (years)

2.57 ± 0.78

2.45 ± 0.64

2.76 ± 0.94

1.410

0.159

JOA score

 Preoperative

7.73 ± 2.84

8.39 ± 2.60

6.17 ± 2.94

2.468

0.014

 Last follow-up

13.16 ± 2.74

14.74 ± 1.12

10.71 ± 2.72

7.205

< 0.001

 t/z

8.206

6.414

5.144

  

p

< 0.001

< 0.001

< 0.001

  

Recovery rate

61.13% ± 21.48%

75.00% ± 9.52%

39.73% ± 16.62%

7.948

< 0.001

Operative segments

   

0.087

0.768

 Three

75

46

29

  

 Four

14

8

6