Table 2.
Relationship Between Patient and Surrogate Responses on Goals of Treatment in Four Situations and Surrogate Decision-making Latitude
| Outcome Measure | Control Kappa(κ) (95% Confidence Interval) | Intervention κ (95% Confidence Interval) | Odds ratio | Probability |
|---|---|---|---|---|
| Situation | ||||
| 1. Low probability of survival | 0.28 (0.01–0.41) | 0.78 (0.67–0.89) | 5.57 | <0.001 |
| 2. Functional impairment | 0.27 (0.14–0.41) | 0.61 (0.50–0.73) | 2.04 | 0.01 |
| 3. Cognitive impairment | 0.26 (0.13–0.41) | 0.62 (0.45–0.78) | 3.34 | <0.001 |
| 4. Resuscitation | 0.26 (0.14–0.39) | 0.74 (0.65–0.83) | 4.32 | <0.001 |
| Surrogate decision-making latitude | 0.07 (−0.06–0.20) | 0.66 (0.54–0.78) | 5.41 | <0.001 |