Do surrogates predict patient preferences more accurately after a physician-led discussion about advance directives? A randomized controlled trial

Table 3 Proportion of Agreement (PA) between Patients and Caregivers for the Intervention and the Control Group and difference between phase 1 and phase 2 with respective p value. Bold means not poor agreement

Questions	Phase 1		Phase 2		Intervention	Control
	Intervention	Control	Intervention	Control	Difference	Difference
	PA [95.0% CI]	PA [95.0% CI]	PA [95.0% CI]	PA [95.0% CI]	Phase 2 – Phase 1 p-value	Phase 2 – Phase 1 p-value
Q1	0.72	0.66	0.83	0.62	0.11	-0.04
Q1	[0.55;0.86]	[0.48;0.83]	[0.69;0.97]	[0.41;0.79]	0.320	0.753
Q2	0.72	0.72	0.72	0.66	0.00	-0.06
Q2	[0.55;0.86]	[0.55;0.86]	0.55;0.86]	[0.48;0.79]	1.000	0.624
Q3	0.59	0.62	0.76	0.66	0.17	0.04
Q3	[0.41;0.76]	[0.41;0.79]	[0.59;0.9]	[0.48;0.79]	0.171	0.753
Q4	0.48	0.66	0.48	0.62	0.00	-0.04
Q4	[0.28;0.66]	[0.48;0.83]	[0.28;0.62]	[0.45;0.79]	1.000	0.753
Q5	0.45	0.66	0.55	0.55	0.10	-0.11
Q5	[0.28;0.62]	[0.45;0.83]	[0.34;0.72]	[0.38;0.72]	0.450	0.396
Q6	0.52	0.62	0.55	0.62	0.03	0.00
Q6	[0.31;0.69]	[0.45;0.79]	[0.34;0.72]	[0.45;0.79]	0.824	1.000
Q7	0.52	0.62	0.59	0.55	0.07	-0.07
Q7	[0.34;0.69]	[0.41;0.79]	[0.41;0.76]	[0.38;0.72]	0.595	0.592
Q8	0.76	0.59	0.83	0.41	0.07	-0.18
Q8	[0.62;0.93]	[0.41;0.76]	[0.69;0.97]	[0.24;0.59]	0.523	0.172
Q9	1.00	0.97	1.00	0.97	0.00	0.00
Q9	[1.00;1.00]	[0.9;1.00]	[1.00;1.00]	[0.90;1.00]	1.000	1.000
Q10	1.00	0.97	1.00	0.97	0.00	0.00
Q10	[1.00;1.00]	[0.9;1.00]	[1.00;1.00]	[0.90;1.00]	1.000	1.000
Q11	0.83	0.69	0.97	0.79	0.14	0.10
Q11	[0.69;0.93]	[0.52;0.86]	[0.9;1.00]	[0.66;0.93]	0.078	0.389
Q12	0.76	0.86	0.90	0.90	0.14	0.04
Q12	[0.59;0.9]	[0.72;0.97]	[0.79;1.00]	[0.76;1.00]	0.159	0.642

ISSN: 1472-684X