Table 3.
Unadjusted and Adjusted (for Sex and Age) Cox Regression Demonstrating Factors Effecting Recurrence
| Risk Factor | Unadjusted Hazard Ratios (95% CI) | P Value | Adjusted Hazard Ratios (95% CI)* | P Value* |
|---|---|---|---|---|
| Sex (female) | 0.74 (0.35 to 1.56) | 0.423 | ||
| Age, y | 0.99 (0.96 to 1.03) | 0.735 | ||
| Hypertension (present) | 1.34 (0.58 to 3.09) | 0.489 | 1.35 (0.58 to 3.10) | 0.485 |
| Ischemic heart disease (present) | 0.67 (0.32 to 1.40) | 0.291 | 0.66 (0.31 to 1.41) | 0.283 |
| Diabetes mellitus (present) | 0.29 (0.04 to 2.09) | 0.216 | 0.26 (0.04 to 1.94) | 0.191 |
| Smoking (present) | 2.11 (1.01 to 4.41) | 0.047 | 2.16 (0.97 to 4.80) | 0.058 |
| Degree of carotid stenosis | 1.06 (0.75 to 1.49) | 0.744 | 1.06 (0.76 to 1.49) | 0.726 |
| Time from symptom to MRI | 1.00 (0.99 to 1.01) | 0.901 | 1.00 (0.99 to 1.01) | 0.812 |
| MES presence | 3.28 (1.68 to 6.42) | 0.001 | 3.35 (1.69 to 6.67) | 0.001 |
| MRIPH presence | 8.68 (2.66 to 28.40) | <0.001 | 9.25 (2.78 to 30.83) | <0.001 |
CI indicates confidence interval; MES, microembolic signals; MRI, magnetic resonance imaging; MRIPH, plaque hemorrhage detected by magnetic resonance imaging.
*
Adjusted for age and sex.