Comparison of Gasserian ganglion conventional radiofrequency ablation and peripheral nerve pulsed radiofrequency in trigeminal neuralgia: a retrospective cohort study.

3.3 Correlation and regression analysis between pain scores and patient satisfaction Spearman correlation test revealed there was a highly significant negative correlation between patient satisfaction (Likert scale) and pain scores at 3 months ( ρ = −0.81) and 6 months ( ρ = −0.91).

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