Table 2.

Results of beta-testing

	Before PDA use [mean (SD)]	After PDA use [mean (SD)]	p value
Patients (N = 54)
DSES total score	72.3 (19.9)	–
DCS total score	33.2 (21.4)	24.6 (23.5)	< 0.001‡
Informed subscale	39.0 (27.9)	29.3 (27.0)	0.004†
Values clarity subscale	35.6 (29.6)	25.0 (27.1)	0.005‡
Support subscale	24.1 (22.8)	22.8 (26.8)	0.024†
Uncertainly subscale	41.1 (29.4)	30.2 (28.2)	< 0.001‡
Effective decision subscale	27.7 (26.6)	18.1 (22.9)	< 0.001†
DCS score  % patients (n)			0.008
< 25	40.7 (22)	57.4 (31)
25–37.5	25.9 (14)	20.4 (11)
> 37.5	33.3 (18)	22.2 (12)
Patients’ PDMS total score		67.5 (21.0)
Rheumatologists (N = 6)
Rheumatologists’ PDMS total score		49.4 (18.5)

DCS Decisional Conflict Scale, DSES Decision Self-Efficacy Scale, PDA patient decision aids, PDMS Preparation for Decision Making Scale, SD standard deviation

^†Wilcoxon test

^‡Test t