Table 3.

Scores on Knowledge Related to Advance Care Planning by Profession (N=169).

Item	Rate of correct answers			Mean±SD			t	P
	n	%		Total	Nurse	Doctor
1. A patient has the right to accept or refuse life -sustaining treatment	168	99.4		0.99±0.08	0.99±0.09	1.00±0.00	-0.67	0.507
2. According to the Act on Decisions on Life-Sustaining Treatment, CPR is within the scope of life-sustaining treatment	153	90.5		0.91±0.29	0.87±0.34	0.98±0.14	-2.98	0.003
3. According to the Act on Decisions on Life-Sustaining Treatment, an artificial respirator is within the scope of life-sustaining treatment	150	88.8		0.89±0.32	0.85±0.36	0.98±0.14	-3.49	0.001
4. According to the Act on Decisions on Life-Sustaining Treatment, anti-cancer treatment is within the scope of life-sustaining treatment	100	59.2		0.59±0.49	0.61±0.49	0.56±0.50	0.60	0.551
5. According to the Act on Decisions on Life-Sustaining Treatment, hemodialysis is within the scope of life-sustaining treatment	111	65.7		0.66±0.48	0.68±0.47	0.62±0.49	0.75	0.453
6. Advance medical directives completed by an adult aged 19 or older are legally valid	30	17.8		0.18±0.38	0.19±0.39	0.15±0.36	0.53	0.594
7. Advance medical directives never change once written	146	86.4		0.86±0.34	0.86±0.35	0.87±0.34	-0.04	0.970
8. A patient can ask a primary health care provider to complete an advance medical directive	27	16.0		0.16±0.37	0.15±0.35	0.19±0.40	-0.77	0.444
9. Only advance medical directive completed by a lawyer are legally valid	107	63.3		0.63±0.48	0.58±0.50	0.75±0.44	-2.22	0.028
10. A patient in terminal care or death can complete a life-sustaining treatment form	155	91.7		0.92±0.27	0.92±0.27	0.92±0.27	-0.01	0.988
11. A chronically ill patient in a local community can complete advance medical directive	144	85.2		0.85±0.36	0.84±0.37	0.88±0.32	-0.79	0.430
12. Family members’ agreement regarding the patient’s core values for life-sustaining treatment can be used to determine a patient’s intent for life-sustaining decision making if an advance medical directive has not been completed	116	68.6		0.69±0.46	0.65±0.48	0.79±0.41	-1.96	0.053
13. An advance care plan is a document describing essential medical actions for an ill patient incapable of making decisions	113	66.9		0.67±0.47	0.62±0.49	0.79±0.41	-2.30	0.023
14. A medical, or legal representative can make a health care decision on behalf of a patient unable to speak on a temporary or long term basis	156	92.3		0.93±0.26	0.92±0.27	0.94±0.24	-0.46	0.646
15. A patient can change his or her medical, or legal representative at any time	147	87.0		0.88±0.33	0.87±0.34	0.88±0.32	-0.25	0.802
Sum of knowledge		71.9		10.79±2.23	10.56±2.40	11.31±1.70	-2.32	0.022