The Prediction of Acute Postoperative Pain Based on Neural Oscillations Measured before the Surgery

Figure 3

The relationship between postoperative pain and resting-state EEG powers at beta (14-30 Hz) and gamma (31-50 Hz) frequency bands. Left: partial correlation was performed after controlling age and removing outliers. Right: independent-sample -tests were performed between patients with different levels of acute postoperative pain, i.e., moderate/high pain and low pain.