Summary of effect size and strength of association between IHIS and stroke or TIA
| Type of Association | OR | 95% CI |
|---|---|---|
| IHIS and any prior ischemic event | 14.5 | 3.6–57.6 |
| IHIS and prior ischemic event within 6 months | 13.5 | 3.4–54.1 |
| IHIS on 1.5T and prior ischemic event | 17.8 | 3.0–105.9 |
| IHIS on 3T and prior ischemic event | 13.8 | 1.2–156.6 |