Overall Prevalence of Contraindications to Nuclear Replacement at Each Affected Level
| Level | Start | Schmorl | >50% Collapse | Irregular Endplates | Insufficient Annulus | BMI > 30 |
|---|---|---|---|---|---|---|
| L2-3 | 2 | 0 | 0 | 0 | 0 | 1 |
| L3-4 | 16 | 1 | 0 | 0 | 4 | 3 |
| L4-5 | 44 | 2 | 1 | 2 | 13 | 9 |
| L5-S1 | 55 | 1 | 10 | 15 | 34 | 8 |
| Totals | 117 | 4 | 11 | 17 | 51 | 21 |
| % | 3.4 | 9.4 | 14.5 | 43.6 | 17.9 |