Group | Sample size (n) | Intervention | ||
---|---|---|---|---|
Preoperative | Intraoperative | Postoperative | ||
Con′ | 100 | 2/100 Hz TEAS | 2/100 Hz TEAS | Control |
T1′ | 100 | 2/100 Hz TEAS | 2/100 Hz TEAS | Sham TEAS |
T2′ | 100 | 2/100 Hz TEAS | 2/100 Hz TEAS | 5 Hz TEAS |
T3′ | 100 | 2/100 Hz TEAS | 2/100 Hz TEAS | 100 Hz TEAS |