The analysis of results for the two groups supports the conclusion that percutaneous laser disc decompression is a safe, minimally invasive, and strong alternative treatment to microdiscectomy in patients affected by herniated discs.

The McNab results for the three groups indicate that PLDD is safe, effective, and minimally invasive.

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These results, even though a longer follow-up is needed in future studies, have confirmed that PLDD (according to Choy's method) is a first-choice treatment for a large group of patients affected by herniated disc that is not responding to conservative treatment.