TABLE I.

Frequency of Each Element of the IDM-18 Score

	% of Cases with:
Element	Partial Discussion of Element (Score = 1)	Complete Discussion of Element (Score = 2)	Any Discussion of Element*
Discussion of patient's role	14	0	14
Exploration of context	43	31	74
Discussion of nature of decision	43	49	92
Description of alternatives	51	11	62
Discussion of pros and cons	46	13	59
Discussion of uncertainty	33	14	47
Assessment of patient's understanding	12	0	12
Assessment of patient's desire for others' input	36	6	42
Exploration of patient's preference	48	11	59

^*The combined percentage of cases with partial or complete discussion of the element.