Table 5.
Fidelity score and compliance with delivery of the intervention as intended.
| Fidelity of Use Assessment Question | n (%) | |
| Did the clinician describe how the severity of the injury was evaluated using the Canadian CTaHead Rule? | 37 (90) | |
| Did the clinician describe the risk as a natural frequency (eg, “of 100 people like you, 6 will...”)? | 37 (90) | |
| Did the clinician describe the different risk levels portrayed on the risk visualization pictograph? | 39 (95) | |
| Did the clinician explain the difference between concussion and brain bleed? | 31 (76) | |
| Did the clinician explain what kinds of injuries can and cannot be seen on a CT scan? | 33 (81) | |
| Did the clinician elicit the patient and/or caregiver’s concerns? | 25 (61) | |
| Did the clinician discuss the patient and/or caregiver’s specific concerns? | 35 (85) | |
| (Follow-up Discussion) | ||
| (If no CT performed) Did the clinician discuss what to expect after leaving the ED? | 36 (88) | |
| (If CT performed) Did the clinician discuss issues to consider before getting a CT scan? | 0 (0) | |
| Total score out of 8 possible, mean (SD) | 6.7 (1.6) | |
aCT: computed tomography.