Table 4.

Concordance Between Patients and Caregivers Life-Sustaining Treatment Decisions at Pretest and Posttest

	Pretest			Posttest			p
	Agreement (%)	κ	95% CI	Agreement (%)	κ	95% CI
Goals of care	61.1	0.213	−0.17 to 0.6	61.1	0.319	−0.03 to 0.67	1.00
Life-sustaining treatments
CPRa	66.7	0.28	−0.10 to 0.66	61.1	0.143	−0.28 to 0.57	0.65
ABXa	50	0.182	−0.13 to 0.50	72.2	0.511	0.20 to 0.82	0.16
ANH	66.7	0.419	0.11 to 0.73	94.4	0.885	0.67 to 1.00	0.03
MVa	50	0.12	−0.23 to 0.47	72.2	0.467	0.12 to 0.82	0.10

Bolded values indicate statistical significance at the p < level.

^a Variables with missing values were imputed using the missForest package in R.

ABX, antibiotics; ANH, artificial nutrition and hydration; CI, confidence interval; CPR, cardiopulmonary resuscitation; MV, mechanical ventilation.