Table 3.

Comparison of decisional conflict about clinical trial participation between intervention and control groups.

		Intervention （n = 27)						Control (n = 27)						pa
		Pre		Post		Difference		Pre		Post		Difference
	Range	Mean	SD	Mean	SD	Mean	SD	Mean	SD	Mean	SD	Mean	SD
Total Score	0–100	39.8	18.5	31.9	12.2	−7.8	12.6	42.4	10.3	35.5	11.7	−6.9	11.4	0.391
Uncertainty	0–100	42.0	21.9	36.4	18.4	−5.6	18.9	51.9	17.2	43.2	18.2	−8.6	16.7	0.702
Informed	0–100	39.5	22.5	33.0	12.3	−6.5	18.4	40.7	16.6	34.0	13.9	−6.8	21.6	0.845
Value	0–100	43.2	18.2	35.8	16.3	−7.4	14.9	43.8	16.6	37.3	13.7	−6.5	17.0	0.772
Support	0–100	39.8	22.3	28.4	16.9	−11.4	20.2	40.4	11.9	31.2	15.6	−9.3	13.3	0.521
Effectiveness	0–100	35.6	20.1	27.6	16.4	−8.1	16.1	36.8	13.8	32.6	11.1	−4.2	13.0	0.124

DCS = Decisional Conflict Scale (lower scores indicate lower conflict), Pre = before discussion, Post = 3 weeks after discussion (at the final decision), SD = standard deviation, Uncertain = uncertainty about the current decision, Informed = feeling informed, Value = clarity of personal values, Support = feeling supported, Effectiveness = recognition of the quality of decision making.

^aCalculated using covariance analysis with pre-discussion score as covariate.