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Mean preoperative and postoperative response times
| Simulator measurement point | Mean preoperative value (msec) (range) | Mean postoperative value (msec) (range)* | p value |
|---|---|---|---|
| Gas-off | 330 (260–500) | 310 (240–380) | 0.015 |
| Transition | 150 (90–220) | 150 (90–240) | 0.661† |
| Reaction | 530 (410–720) | 490 (400–620) | 0.002 |
* Postoperative values were recorded when the patient passed the break reaction test (all patients passed at 4 weeks); †only the transition values were not statistically significant.
