Table 11 Evaluation of adjacent segment disease
Items | Groups | Pre-operative | 1 Week | 3 Months | 12 Months | Final Follow-up | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Incidence of ASDeg | |||||||||||
Intervertebral Space Narrowing>25% | |||||||||||
Upper Segment | Discover (n = 32) | (−) | (−) | 0.00%(0/32) | (−) | 0.00%(0/32) | (−) | 3.13%(1/32) | p = 0.3135 | 6.25%(2/32) | p = 0.3911 |
Pretic-I (n = 32) | (−) | 0.00%(0/32) | 0.00%(0/32) | 0.00%(0/32) | 12.50%(4/32) | ||||||
Lower Segment | Discover (n = 32) | (−) | (−) | 0.00%(0/32) | (−) | 0.00%(0/32) | (−) | 0.00%(0/32) | (−) | 12.50%(4/32) | p = 1.0000 |
Pretic-I (n = 32) | (−) | 0.00%(0/32) | 0.00%(0/32) | 0.00%(0/32) | 12.50%(4/32) | ||||||
New/Enlarged Osteophytes | |||||||||||
Upper Segment | Discover (n = 32) | (−) | (−) | 0.00%(0/32) | (−) | 0.00%(0/32) | (−) | 6.25%(2/32) | p = 0.1508 | 18.75%(6/32) | p = 0.4911 |
Pretic-I (n = 32) | (−) | 0.00%(0/32) | 0.00%(0/32) | 0.00%(0/32) | 12.50%(4/32) | ||||||
Lower Segment | Discover (n = 32) | (−) | (−) | 0.00%(0/32) | (−) | 0.00%(0/32) | (−) | 0.00%(0/32) | p = 0.3135 | 12.50%(4/32) | p = 0.7192 |
Pretic-I (n = 32) | (−) | 0.00%(0/32) | 0.00%(0/32) | 3.13%(1/32) | 15.63%(5/32) | ||||||
New Disc Herniation | |||||||||||
Upper Segment | Discover (n = 32) | (−) | (−) | 0.00%(0/32) | (−) | 0.00%(0/32) | (−) | 9.38%(3/32) | p = 0.6414 | 18.75%(6/32) | p = 0.7404 |
Pretic-I (n = 32) | (−) | 0.00%(0/32) | 0.00%(0/32) | 6.25%(2/32) | 12.50%(5/32) | ||||||
Lower Segment | Discover (n = 32) | (−) | (−) | 0.00%(0/32) | (−) | 0.00%(0/32) | (−) | 3.13%(1/32) | p = 1.0000 | 9.38%(3/32) | p = 1.0000 |
Pretic-I (n = 32) | (−) | 0.00%(0/32) | 0.00%(0/32) | 3.13%(1/32) | 9.38%(3/32) | ||||||
Endplate Sclerosis | |||||||||||
Upper Segment | Discover (n = 32) | (−) | (−) | 0.00%(0/32) | (−) | 0.00%(0/32) | (−) | 3.13%(1/32) | p = 1.0000 | 3.13%(1/32) | p = 0.3017 |
Pretic-I (n = 32) | (−) | 0.00%(0/32) | 0.00%(0/32) | 3.13%(1/32) | 9.38%(3/32) | ||||||
Lower Segment | Discover (n = 32) | (−) | (−) | 0.00%(0/32) | (−) | 0.00%(0/32) | (−) | 0.00%(0/32) | p = 0.3135 | 6.25%(2/32) | p = 0.5543 |
Pretic-I (n = 32) | (−) | 0.00%(0/32) | 0.00%(0/32) | 3.13%(1/32) | 3.13%(1/32) | ||||||
Anterior/Posterior Longitudinal Ligament Calcification | |||||||||||
Upper Segment | Discover (n = 32) | (−) | (−) | 0.00%(0/32) | (−) | 0.00%(0/32) | (−) | 3.13%(1/32) | p = 1.0000 | 6.25%(2/32) | p = 0.5543 |
Pretic-I (n = 32) | (−) | 0.00%(0/32) | 0.00%(0/32) | 3.13%(1/32) | 3.13%(1/32) | ||||||
Lower Segment | Discover (n = 32) | (−) | (−) | 0.00%(0/32) | (−) | 0.00%(0/32) | (−) | 6.25%(2/32) | p = 0.5543 | 9.38%(3/32) | p = 0.6414 |
Pretic-I (n = 32) | (−) | 0.00%(0/32) | 0.00%(0/32) | 3.13%(1/32) | 6.25%(2/32) | ||||||
Incidence of ASDis | |||||||||||
Upper Segment | Discover (n = 32) | 6.25%(2/32) | p = 0.5543 | 6.25%(2/32) | p = 0.5543 | 6.25%(2/32) | p = 0.5543 | 6.25%(2/32) | p = 0.5543 | 15.63%(5/32) | p = 0.7192 |
Pretic-I (n = 32) | 3.13%(1/32) | 3.13%(1/32) | 3.13%(1/32) | 3.13%(1/32) | 12.50%(4/32) | ||||||
Lower Segment | Discover (n = 32) | 3.13%(1/32) | p = 1.0000 | 3.13%(1/32) | p = 1.0000 | 3.13%(1/32) | p = 1.0000 | 3.13%(1/32) | p = 1.0000 | 6.25%(2/32) | p = 1.0000 |
Pretic-I (n = 32) | 3.13%(1/32) | 3.13%(1/32) | 3.13%(1/32) | 3.13%(1/32) | 6.25%(2/32) | ||||||
Total Incidence of ASD | |||||||||||
Upper Segment | Discover (n = 32) | 6.25%(2/32) | p = 0.5543 | 6.25%(2/32) | p = 0.5543 | 6.25%(2/32) | p = 0.5543 | 15.63%(5/32) | p = 0.4479 | 21.88%(7/32) | p = 0.7560 |
Pretic-I (n = 32) | 3.13%(1/32) | 3.13%(1/32) | 3.13%(1/32) | 9.38%(3/32) | 18.75%(6/32) | ||||||
Lower Segment | Discover (n = 32) | 3.13%(1/32) | p = 1.0000 | 3.13%(1/32) | p = 1.0000 | 3.13%(1/32) | p = 1.0000 | 9.38%(3/32) | p = 1.0000 | 15.63%(5/32) | p = 0.7404 |
Pretic-I (n = 32) | 3.13%(1/32) | 3.13%(1/32) | 3.13%(1/32) | 9.38%(3/32) | 18.75%(6/32) | ||||||