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Comparison between VAS score operator's opinion and patient's opinion in fentanyl and sufentanil group
| Group | VAS score | Mean | SD | t | P |
|---|---|---|---|---|---|
| Fentanyl | Operator’s opinion | 9.07 | 1.02 | 1.361 | 0.184 |
| Patient’s opinion | 8.97 | 1.07 | Difference is not significant | ||
| Sufentanil | Operator’s opinion | 9.37 | 0.81 | −1.153 | 0.258 |
| Patient’s opinion | 9.53 | 0.78 | Difference is not significant | ||
SD: Standard deviation, VAS: Visual analog score
