Table I.
Clinical characteristics of patients between two groups.
| Variable | TEAS | Sham TEAS | P-value |
|---|---|---|---|
| Average age (years) | 45.6±9.8 | 46.9±8.6 | 0.572 |
| BMI (kg/m2) | 23.4±4.2 | 22.6±3.3 | 0.396 |
| ASA physical status | 0.426 | ||
| I | 26 | 24 | |
| II | 6 | 9 | |
| Operation site | 0.444 | ||
| Left | 18 | 16 | |
| Right | 14 | 17 | |
| Anesthesia duration (min) | 131.6±21.2 | 128.6±25.6 | 0.609 |
| Operation duration (min) | 98.8±16.8 | 96.1±20.2 | 0.561 |
| Blood loss volume (ml) | 109.5±28.6 | 105.6±25.7 | 0565 |
| Infusion volume (ml) | 895.2±120.5 | 910.7±143.6 | 0.636 |
| Urine volume (ml) | 170.3±25.4 | 158.6±30.1 | 0.095 |
Values are presented as the mean ± standard deviation or count. ASA, American Society of Anesthesiologists; TEAS, transcutaneous electrical acupoint stimulation.