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Age and positive MRI findings
| Herniation group (n = 51) | Control (n = 113) | |||||
|---|---|---|---|---|---|---|
| Age < 40 (n = 19) | Age ≥ 40 (n = 32) | p value | Age < 40 (n = 32) | Age ≥ 40 (n = 81) | p value | |
| Decrease in signal intensity | 16 (84.2) | 32 (100.0) | 0.047* | 22 (68.8) | 71 (87.7%) | 0.021* |
| Posterior disc protrusion | 15 (78.9) | 32 (100.0) | 0.016* | 20 (62.5) | 70 (86.4) | 0.006* |
| Disc space narrowing | 4 (21.1) | 5 (15.6) | 0.447 | 5 (15.6) | 28 (34.8) | 0.035* |
Parentheses indicate percentage
* Statistical significance
