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Table 5 Mean STAI and DAS scores with standard deviation (SD) according to the presence or absence of motion artefacts

From: Effect of patient anxiety on image motion artefacts in CBCT

     95% confidence intervals for mean difference   
MA N Mean SD Lower Upper Mann-Whitney U P a
STAI-S - 94 36.95 10.343 −11.981 3.375 205.000 0.184
+ 6 41.67 9.004
STAI-T - 94 41.43 8.765 −8.653 0.721 205.500 0.102
+ 6 45.00 5.441
DAS - 94 8.53 3.476 −2.679 3.636 249.000 0.999
+ 6 7.83 3.710
  1. aBootstrap Sampling Method = Simple, Bootstrap number of samples = 1000, 95% confidence intervals
  2. MA motion artefact, N noun, SD standard deviation, P significance level, STAI-S State Trait Anxiety Inventory - State, STAI-T State Trait Anxiety Inventory - Trait, DAS Dental Anxiety Scale, + present, − absent