Outcome (n = 950) | Usual care* | Decision aid* | Difference | Power |
---|---|---|---|---|
Parent knowledge | 44% | 60% | 16% | >99% |
Parent engagement in the decision-making process | 7.0 (5.5) | 27.0 (8.2) | 20.0 | >99% |
Decisional conflict †| 36 (19) | 21 (21) | 15 | >99% |
Trust in the physician | 79 (20.0) | 84 (20.0) | 4.1 | 86% |
Parent satisfaction with the decision made (% agree or strongly agree they are satisfied) | 70.0 (26) | 80 (26.0) | 10.0 | >99% |
Safety (clinically-important traumatic brain injury) ‡ | 0.9% | 0.9% | 0% | 82.5% |
Proportion of children who undergo head CT § | 49% | 34% | 15% | 95% |
Healthcare utilization | 8.3 (0.8) | 6.8 (0.7) | 1.5 | >99% |