Clinical Study
PEEK versus Silicon Interspinous Spacer for Reduction of Supradjacent Segment Degeneration following Decompression and Short-Segment Instrumentation for Degenerative Lumbar Spinal Stenosis
Table 2
Baseline radiographic parameters comparison (P-values, unpaired t-test).
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||