Table 3.

Patient and Surrogate Discrepancy with 95% Confidence Intervals

	Surrogate: No Patient: Yes	Surrogate: Yes Patient: No	Patient/Surrogate Discrepancy	Kappa value
1. Collection of medical information	0%	4% (0–9%)	4% (0–9%)	0.39
2: Collection of urine	4% (0–9%)	18% (9–27%)	22% (12–32%)	0.04
3: Collection of blood	7% (1–13%)	22% (12–32%)	29% (20–38%)	0.03
4: CAT scan	13% (5–21%)	17% (8–26%)	30% (19–41%)	0.41
5: Muscle biopsy	17% (8–26%)	20% (11–29%)	37% (26–48%)	0.10
6:Bronchoalveolar lavage with intubated	20% (11–29%)	23% (13–33%)	43% (31–55%)	0.24
7. Randomized Clinical trial	26% (16–36%)	20% (11–29%)	46% (34–58%)	0.06