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Table 3 Clinical outcomes in every group

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

 

V1

V2

P(V2 − V1)

V3

P (V3 − V1)

V4

P (V4-V1)

Sequestered disk

Mean JOA(SD)

12.90 ± 2.04

15.04 ± 1.26

 < 0.001

15.38 ± 1.29

 < 0.001

16.00 ± 0.95

 < 0.001

Mean NDI(SD)

17.76 ± 7.62

10.12 ± 5.51

 < 0.001

7.24 ± 4.48

 < 0.001

4.50 ± 2.94

 < 0.001

Mean VAS(SD)

4.20 ± 1.70

2.62 ± 1.44

 < 0.001

1.80 ± 1.16

 < 0.001

1.22 ± 0.68

 < 0.001

Non-sequestered disk

Mean JOA(SD)

12.93 ± 1.95

14.45 ± 1.43

 < 0.001

15.24 ± 1.25

 < 0.001

16.03 ± 0.86

 < 0.001

Mean NDI(SD)

17.87 ± 6.44

10.50 ± 5.79

 < 0.001

8.22 ± 6.17

 < 0.001

4.83 ± 3.74

 < 0.001

Mean VAS(SD)

4.38 ± 1.92

2.67 ± 1.58

 < 0.001

2.09 ± 1.54

 < 0.001

1.33 ± 1.07

 < 0.001

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