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Comparison of Bone Graft Volumes Used in PLF and PLF + IF Procedures as a Function of Single- Versus Multilevel Decompressions
| 6 Months | 12 Months | |||
| Decompression | PLF (mL) | PLF + IF (mL) | PLF (mL) | PLF + IF (mL) |
| Single-level | 26.7 ± 13.4 | 29.7 ± 14.1 | 26.3 ± 13.3 | 29.6 ± 14.1 |
| Multilevel | 33.7 ± 11.5 | 27.6 ± 10.0 | 33.1 ± 10.4 | 29.2 ± 9.7 |
IF = interbody fusion; PLF = posterolateral lumbar fusion
Data presented as mean ± SD.
