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Predictive Values of Surrogate Decision Making with 95% Confidence Intervals
| Positive Predictive Value of Surrogate | Negative Predictive Value of Surrogate | |
|---|---|---|
| 1. Collection of medical information | 96% (91–100%) | 100% |
| 2: Collection of urine | 80% (70–90%) | 0% |
| 3: Collection of blood | 76% (65–87%) | 29% (18–40%) |
| 4: CAT scan | 72% (61–83%) | 65% (54–76%) |
| 5: Muscle biopsy | 45% (33–57%) | 65% (54–76%) |
| 6:Bronchoalveolar lavage with intubated | 61% (50–72%) | 64% (53–75% |
| 7. Clinical trial | 50% (38–62%) | 56% (44–68%) |
