Statistical methods
The statistical software SPSS version 26.0 (IBM SPSS Inc., Armonk, United States) and GraphPad Prism version 8.0 were used for data processing. The data are expressed as the mean ± standard deviation (mean ± SD), median (interquartile spacing) or frequency (percentage) where appropriate. Independent samples The main index of this study was the MOAA/S between the two groups of patients 5 min after the ablation. According to the pretest results, Group E: MOAA/S mean value = 3.93, standard deviation (SD) = 0.7, Group S: MOAA/S mean value = 3.05, SD = 0.71, with bilateral α = 0.05 and β = 0.2, n = 20 was calculated by the formula 