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Table 2 Discrepancies of treatment effect between the two groups

From: Comparison of clinical outcomes between sequestered cervical disk herniation and non-sequestered cervical disk herniation after anterior cervical decompression and fusion: a cohort study

 

Sequestered disk

Non-sequestered disk

P

 

Baseline(V1)

Mean JOA(SD)

12.90 ± 2.04

12.93 ± 1.95

0.936

Mean NDI(SD)

17.76 ± 7.62

17.87 ± 6.44

0.930

Mean VAS(SD)

4.20 ± 1.70

4.38 ± 1.92

0.611

 

V2

Mean JOA(SD)

15.04 ± 1.26

14.45 ± 1.43

0.026

Mean NDI(SD)

10.12 ± 5.51

10.50 ± 5.79

0.729

Mean VAS(SD)

2.62 ± 1.44

2.67 ± 1.58

0.858

 

V3

Mean JOA(SD)

15.38 ± 1.29

15.24 ± 1.25

0.572

Mean NDI(SD)

7.24 ± 4.48

8.22 ± 6.17

0.352

Mean VAS(SD)

1.80 ± 1.16

2.09 ± 1.54

0.283

 

V4

Mean JOA(SD)

16.00 ± 0.95

16.03 ± 0.86

0.843

Mean NDI(SD)

4.50 ± 2.94

4.83 ± 3.74

0.618

Mean VAS(SD)

1.22 ± 0.68

1.33 ± 1.07

0.540

  1. JOA Japanese Orthopedics Association, NDI the Neck disability index, VAS the Visual analog scale, SD standard deviation
  2. Visits: baseline (V1); 2nd month after surgery (V2); 4th month after surgery (V3); 6th month after surgery (V4)