From: A randomised controlled pilot trial of two interventions to manage dry mouth in pre-operative elective surgical patients
Group
Pre-intervention (mm)
Post intervention (mm)
Difference (mm)
Difference CI 95%
Control—mean VAS
33.8
22.6
− 11.2
− 5.1 to − 17.3
Treatment—mean VAS
35.1
22.4
− 12.7
− 6.7 to − 18.7