Comparison · NCT02786966-87e46dd4
Canadian C-Spine Rule vs Control Phase (Usual Care): Proportion of Patients Transported With Spinal Immobilization
Calculated by ConductScience from the counts the trial posted to ClinicalTrials.gov.
2 sourcestrial-comparisons-2026-03-23-0.1.0
Cite this record
ConductScience Library. Canadian C-Spine Rule vs Control Phase (Usual Care): Proportion of Patients Transported With Spinal Immobilization. Trial comparisons, record NCT02786966-87e46dd4. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT02786966-87e46dd4
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Measures6
Calculated by ConductScience from the counts the trial posted to ClinicalTrials.gov.
| Measure | Value | 95% interval, lower | 95% interval, upper | Method | Note |
|---|---|---|---|---|---|
| Risk in group 1 | 0.431 | 0.409 | 0.454 | wilson | |
| Risk in group 2 | 0.767 | 0.746 | 0.786 | wilson | |
| Risk difference, group 1 minus group 2 | -0.335 | -0.365 | -0.305 | newcombe hybrid score | |
| Risk ratio, group 1 over group 2 | 0.563 | 0.531 | 0.596 | log | |
| Odds ratio, group 1 over group 2 | 0.231 | 0.2 | 0.266 | log | |
| Number needed to treat, for one fewer participant with the outcome on Canadian C-Spine Rule than on Control Phase (Usual Care) | 2.98 | 2.74 | 3.28 | from the risk difference interval |
Source ClinicalTrials.gov
Groups2
Group 2 names the comparator: usual care.
| Group | Title | Description | With the outcome | Analysed | ClinicalTrials.gov code |
|---|---|---|---|---|---|
| Group 1 | Canadian C-Spine Rule | Assessment using Canadian C-Spine Rule to determine need for spinal immobilization for transport. | 813 | 1,885 | OG001 |
| Group 2 | Control Phase (Usual Care) | Paramedic assessment for potential cervical spine injuries using the Canadian C-Spine Rule, but spinal immobilization using standard immobilization protocols (usual care). | 1,334 | 1,740 | OG000 |
Source ClinicalTrials.gov
Outcome
- Type
- PRIMARY
- Title
- Proportion of Patients Transported With Spinal Immobilization
- Description
- Time frame
- Through study completion.
- Population
Source ClinicalTrials.gov
Trial
- Title
- A Pragmatic Evaluation of the Canadian C-Spine Rule by Paramedics
- NCT number
- NCT02786966
- Phases
- NA
- Conditions
- Neck Injuries
- Interventions
- Canadian C-Spine Rule
- Lead sponsor
- Ottawa Hospital Research Institute
- Results first posted
- 2025-10-20
- Results on ClinicalTrials.gov
- https://clinicaltrials.gov/study/NCT02786966?tab=results
Source ClinicalTrials.gov
Source
- Release
- trial-comparisons-2026-03-23-0.1.0
- Release manifest SHA-256
- f66225897fbf258b57ea10bdacfd0347d3cdfda93f7f5685234b7e06ea36fa57
- AACT copy
- 2026-03-23
- Tables read
- outcome_counts.parquet, outcome_measurements.parquet, outcomes.parquet, reported_event_totals.parquet, reported_events.parquet, result_groups.parquet, studies.parquet, ctgov_trial.parquet
Source ClinicalTrials.gov
Sources 2
- ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
- ClinicalTrials.govNo license stated
Each source's terms
- ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
- ClinicalTrials.govnone stated
ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions. The measures are ConductScience's calculation from them.
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