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DeLong method for comparing Canadian TIA Score with ABCD2 and ABCD2i scores for subsequent stroke or carotid revascularisation within 7 days (n=7607)
| Score or comparison | AUC (95% CI) | Difference in AUC (95% CI) | P value |
|---|---|---|---|
| Canadian TIA Score | 0.70 (0.66 to 0.73) | - | - |
| ABCD2 | 0.60 (0.56 to 0.64) | - | - |
| ABCD2i | 0.64 (0.59 to 0.68) | - | - |
| Canadian TIA Score v ABCD2 | - | 0.10 (0.05 to 0.15) | <0.001 |
| Canadian TIA Score v ABCD2i | - | 0.06 (0.01 to 0.11) | 0.01 |
AUC=area under curve; TIA=transient ischaemic attack.
