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Subsidence versus demographic and operative data.
| Subsidence grade | |||
|---|---|---|---|
| 0/I | II/III | P value | |
| Age (years) | 65.5 ± 11.5 | 71.7 ± 9.4 | 0.019* |
| Female | 64% | 100% | 0.041* |
| L4-5 | 44.2% | 88.9% | 0.038* |
| Olisthesis | 15.2 ± 5.5% | 14.5 ± 3.6% | 0.721 |
*statistically significant.
