Table 3. Descriptive data of all patients—those with and those without a power of attorney or advance directive—with relevant influential factors that were included in the multivariate analysis.

Variable and category		Medical power of attorney						Advance directive
		Not existing as reported by patient			Completed / existing as reported			Not existing as reported by patient			Completed / existing as reported
		N	Columns %	Rows %	N	Columns %	Rows %	N	Columns %	Rows %	N	Columns %	Rows %
Age (N, mean, standard deviation)		613	60.3	15.6	385	66.5	12.2	705	61.0	15.3	293	66.6	12.4
Mode of admission	Emergency	240	40.1	66.7	120	32.1	33.3	279	40.7	77.5	81	28.1	22.5
	Elective	359	59.9	58.6	254	67.9	41.4	406	59.3	66.2	207	71.9	33.8
Marital status	Married	331	54.1	59.9	222	57.8	40.1	367	52.2	66.4	186	63.5	33.6
	Divorced	74	12.1	63.8	42	10.9	36.2	89	12.7	76.7	27	9.2	23.3
	Widowed	63	10.3	48.8	66	17.2	51.2	87	12.4	67.4	42	14.3	32.6
	Cohabiting	21	3.4	63.6	12	3.1	36.4	24	3.4	72.7	9	3.1	27.3
	Single	123	20.1	74.5	42	10.9	25.5	136	19.3	82.4	29	9.9	17.6
Children	No	164	26.8	66.7	82	21.4	33.3	191	27.2	77.6	55	18.8	22.4
	Yes	448	73.2	59.8	301	78.6	40.2	512	72.8	68.4	237	81.2	31.6
History of disease	No	66	10.8	79.5	17	4.4	20.5	72	10.2	86.7	11	3.8	13.3
	Yes	547	89.2	59.8	368	95.6	40.2	633	89.8	69.2	282	96.2	30.8
Cardiac	No	389	63.5	64.2	217	56.4	35.8	447	63.4	73.8	159	54.3	26.2
	Yes	224	36.5	57.1	168	43.6	42.9	258	36.6	65.8	134	45.7	34.2
Pulmonary	No	525	85.6	62.6	314	81.6	37.4	592	84.0	70.6	247	84.3	29.4
	Yes	88	14.4	55.3	71	18.4	44.7	113	16.0	71.1	46	15.7	28.9
Cancer	No	380	62.0	64.8	206	53.5	35.2	436	61.8	74.4	150	51.2	25.6
	Yes	233	38.0	56.6	179	46.5	43.4	269	38.2	65.3	143	48.8	34.7
Neurologic	No	565	92.2	62.2	343	89.1	37.8	651	92.3	71.7	257	87.7	28.3
	Yes	48	7.8	53.3	42	10.9	46.7	54	7.7	60.0	36	12.3	40.0
Medication consumption	No	140	22.8	69.7	61	15.9	30.3	155	22.0	77.1	46	15.8	22.9
	Yes	473	77.2	59.4	323	84.1	40.6	550	78.0	69.1	246	84.2	30.9