Effect of patient anxiety on image motion artefacts in CBCT

BMC Oral Health

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

					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
STAI-S	+	6	41.67	9.004	−11.981	3.375	205.000	0.184
STAI-T	-	94	41.43	8.765	−8.653	0.721	205.500	0.102
STAI-T	+	6	45.00	5.441	−8.653	0.721	205.500	0.102
DAS	-	94	8.53	3.476	−2.679	3.636	249.000	0.999
DAS	+	6	7.83	3.710	−2.679	3.636	249.000	0.999

^aBootstrap Sampling Method = Simple, Bootstrap number of samples = 1000, 95% confidence intervals
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

ISSN: 1472-6831