a trend toward significanceP = 0.060
In the second sensitivity analysis, only 24 hours VAS scores maintained significance (adjusted OR, 1.81; 95% CI, 1.07–3.20; P = 0.032), while gamma-band rPSD showed a trend toward significance (adjusted OR, 0.65; 95% CI, 0.40–1.01; P = 0.060) ( Figure 4 ).