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Table 3 Clinical and radiologic data evaluated before surgery and during follow-up

From: A comparison of zero-profile anchored spacer (ROI-C) and plate fixation in 2-level noncontiguous anterior cervical discectomy and fusion- a retrospective study

 

Group NoPlate

Group Plate

 

P valuea

 

P valueb

JOA scores

 Preoperatvie

8.0 ± 1.5

7.4 ± 1.2

 Postoperative 1 month

13.4 ± 0.7

< 0.001

13.5 ± 1.1

0.001

 Postoperative 3 month

13.6 ± 1.0

< 0.001

13.6 ± 0.9

0.002

 Last follow-up

13.7 ± 1.2

< 0.001

13.9 ± 1.4

0.001

NDI scores

 Preoperatvie

36.3 ± 7.6

35.1 ± 8.2

 Postoperative 1 month

13.7 ± 5.3

< 0.001

13.5 ± 6.1

< 0.001

 Postoperative 3 month

13.1 ± 4.9

< 0.001

13.4 ± 6.0

< 0.001

 Last follow-up

12.5 ± 4.0

< 0.001

13.9 ± 6.8

< 0.001

Cervical lordosis (°)

 Preoperatvie

11.1 ± 10.4

10.4 ± 8.9

 Postoperative 1 month

19.2 ± 9.0

< 0.001

18.3 ± 9.7

0.001

 Postoperative 3 month

18.9 ± 8.0

< 0.001

17.9 ± 9.3

0.002

 Last follow-up

18.7 ± 8.6

0.001

17.7 ± 8.3

0.001

  1. aP value is given for comparison between pre-operative and post-operative values in Group NoPlate
  2. bP value is given for comparison between pre-operative and post-operative values in Group Plate