. 2017 Nov 15;6:17. doi: 10.1186/s13741-017-0074-3

Table 2.

Comparison of mean anxiety level in patients of both groups before and after the intervention

Groups	Time of intervention			Results of repeated measures ANOVA
	Before intervention	30 min after the intervention	In the waiting room	p value^b	p value^c
	Mean ± SD	Mean ± SD	Mean ± SD	p value^b	p value^c
Intervention group	4.37 ± 47.66	7.21 ± 43.68	7.11 ± 42.95	0.34	0.001
Control group	5.17 ± 48.44	6.69 ± 50.57	6.78 ± 51.28
p value^a	0.44	0.001	0.001

^aIndependent t-test (inter-group comparison)

^bRepeated measures ANOVA (intra-group comparison)

^cRepeated measures ANOVA (interactive effect)