| occur in child | 0.59 |
| refer to anterior slipp… | 0.37 |
| occur in the mid | 0.25 |
| become more common | 0.25 |
| worsen with time | 0.21 |
| retire on september | 0.16 |
| pain | 0.51 |
| a herniated disc | 0.25 |
| a deformity of the spine | 0.38 |
| compression | 0.25 |
| graded | 0.41 |
| caused by a birth defect | 0.34 |
| caused by traumatic inj… | 0.16 |