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Table 3 Clinical Outcomes

From: The improved bioactive n-HA/PA66 cage versus the PEEK cage in anterior cervical fusion: results from a 6-year follow-up and a case-matched study

Variables

nHA/PA66 group

PEEK group

P

VAS-neck

   

 Preoperatively

5.17 ± 2.64

4.84 ± 2.46

0.473

 6 m-Post-O

3.24 ± 1.79

2.91 ± 1.53

0.291

 Final follow-up

1.21 ± 0.91

1.41 ± 1.01

0.249

VAS-arm

   

 Preoperatively

5.55 ± 2.05

5.33 ± 1.86

0.539

 6 m-Post-O

3.09 ± 1.45

3.16 ± 1.31

0.789

 Final follow-up

1.38 ± 1.15

1.28 ± 1.01

0.607

NDI

   

 Preoperatively

32.78 ± 11.25

31.48 ± 10.25

0.519

 6 m-Post-O

19.71 ± 9.30

18.40 ± 8.05

0.419

 Final follow-up

9.34 ± 6.18

10.07 ± 6.05

0.525

NDI recovery rate (%)

69.13 ± 22.22

65.67 ± 24.02

0.422

JOA scores

   

 Preoperatively

8.62 ± 1.66

8.45 ± 1.50

0.559

 6 m-Post-O

13.36 ± 2.25

13.79 ± 2.23

0.302

 Final follow-up

14.21 ± 2.12

14.31 ± 2.05

0.790

JOA recovery rate (%)

65.41 ± 26.86

67.83 ± 25.35

0.619

Odom’s criteria

   

 excellent

15

13

 

 Good

38

39

 

 Fair

4

6

 

 Poor

1

0

 

Successful treatment

91.4% (50/58)

90.0% (52/58)

0.879