Statistical analysis
PNE
Data were analysed using SPSS-26. Kolmogorov–Smirnov was used for the normal distribution of the outcomes. The homogeneity of the variations was observed using the Levene test. A general linear mixed model was used to compare outcome measures between groups over time (baseline and post-treatment) and group effects (PNE followed by PEs and PEs groups). Effect sizes and 95% confidence intervals (CIs) were calculated to measure clinical meaningfulness. Effect sizes were expressed in partial eta squared (