Table 3.
The change of spinal canal dimension (mm2).
| Pre Mean(SD) | Post Mean(SD) | p value | |
|---|---|---|---|
| Endoscopic | 81.67±31.30 | 164.30±53.82 | ≤0.001∗ |
| Tubular | 89.07±40.16 | 153.81±67.9 | ≤0.001∗ |
| Microscopic | 93.52±44.80 | 179.16±52.72 | ≤0.001∗ |
∗=statistically significant.
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