Outcome | Placebo | Alfentanil | P value |
---|---|---|---|
Average insufflation pain | 3.8 (2.1) | 1.8 (2.0) | <0.001 |
Insufflation most burdensome aspect | 56.1% (23/41) | 18.6% (8/43) | 0.001 |
Insufflation most painful aspect | 60.0% (24/40) | 34.1% (15/44) | 0.053 |
Advise for screening | 92.7% (38/41) | 100% (44/44) | 0.11 |