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Comparison of the foraminal area with and without axial spinal loading for all measured foramina, stratified for lumbar level.
| Without Axial Load (cm2) * |
With Axial Load (cm2) * |
Paired Differences (cm2) * |
p-Value | |
|---|---|---|---|---|
| All foramina n = 534 | 0.89 (0.27) | 0.87 (0.26)) | −0.02 (0.15) | 0.002 |
| Levels | ||||
| L3/L4 | 0.99 (0.29) | 0.96 (0.28) | −0.03 (0.17) | 0.036 |
| L4/L5 | 0.80 (0.20) | 0.78 (0.20) | −0.03 (0.11) | 0.004 |
| L5/S1 | 0.87 (0.27) | 0.86 (0.25) | −0.008 (0.15) | 0.47 |
* Values are mean and (SD).
