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Table 4 Experience questionnaire

From: A multi-centre randomised double-blind placebo-controlled trial to evaluate the value of a single bolus intravenous alfentanil in CT colonography

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
  1. This table shows the mean insufflation pain with standard deviation between brackets.
  2. For the other outcomes the percentages are provided with the numbers between brackets.