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Site of occurrence of piriformis syndrome (PS) after Percutaneous Endoscopic Lumbar Discectomy (PELD)
| Site of occurrence of piriformis syndrome | Number of patients | P value |
|---|---|---|
| The same side of PELD | 26 | 0.011* |
| The opposite side of PELD | 13 | 0.591 |
| Both piriformis muscles | 22 | 0.384 |
* A PS after PELD developed in the same side in which PELD was performed (P = 0.011*)
