Round 4 results: top 20 ranked questions
| No. | Question | Mean ranking (SD)* |
| 1 | Which cardiac arrest patients should critical care teams be dispatched to, and how do we identify these patients during the emergency call? | 4.56 (4.75) |
| 2 | How can dispatch of critical care teams to patients be improved? Can the use of digital health technology assist? | 5.96 (5.24) |
| 3 | In patients with medical OHCA attended by prehospital critical care teams, which interventions beyond current ALS guidelines improve outcomes? | 6.00 (4.97) |
| 4 | What strategy of volume resuscitation improves outcomes in injured patients with haemorrhagic shock? | 7.13 (5.47) |
| 5 | In patients with ROSC following OHCA, does PHEA improve patient outcomes? | 8.04 (5.41) |
| 6 | What clinical features and interventions are associated with survival to hospital discharge in patients in traumatic cardiac arrest? | 8.52 (5.40) |
| 7 | In patients with severe traumatic brain injury, does prehospital administration of osmotic agents result in improved neurological outcome and survival, and if so, what is the optimal dose? | 9.39 (5.72) |
| 8 | What strategy for volume resuscitation improves outcomes in patients with traumatic brain injury? | 9.48 (4.88) |
| 9 | What is the benefit offered to patients with moderate to severe head injury by prehospital critical care teams? | 9.61 (5.73) |
| 10 | Does prehospital reversal of anticoagulation improve outcomes in patients with traumatic brain injury? | 9.96 (4.69) |
| 11 | Does transfer to a neurological centre for consideration of time critical thrombectomy improve outcome in patients with suspected stroke in the prehospital setting? | 10.61 (5.39) |
| 12 | Which adult trauma patients with frailty benefit from triage to a Major Trauma Centre? | 10.87 (4.62) |
| 13 | In trauma patients undergoing PHEA, does the time interval between the 999 call and PHEA delivery impact on patient focused outcomes? | 11.09 (5.30) |
| 14 | Does prehospital administration of calcium in major traumatic haemorrhage improve patient outcomes, and if so, what is the optimal dose? | 11.91 (4.66) |
| 15 | Is prehospital critical care clinician dispatch superior to standard ambulance service dispatch? | 12.17 (6.31) |
| 16 | Is there any benefit to patients by using prehospital point of care testing? | 12.22 (4.24) |
| 17 | How can we identify risks to well-being and protect the mental health of prehospital critical care providers? | 12.74 (4.95) |
| 18 | In cases of prehospital death, what strategies can be used by prehospital practitioners to improve the experience for friends, family and bystanders? | 12.83 (5.31) |
| 19 | Does the use of POCUS in prehospital critical care improve patient outcomes? | 13.09 (4.88) |
| 20 | Which prehospital simulation strategies are optimal to improve patient, clinician and procedural outcomes? | 16.83 (4.05) |
*Values are expressed as the mean (SD) final ranking assigned during round 4 of the process, with a lower value indicating a higher priority.
OHCA, out-of-hospital cardiac arrest; PHEA, prehospital emergency anaesthetic; POCUS, point-of-care ultrasound; ROSC, return of spontaneous circulation.