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Table 3 Change in VAS pre and post intervention

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