Variable | Relative hazard | 95% CI | p Value |
---|---|---|---|

Clinical syndrome was a stratification factor. | |||

PTT = partial thromboplastin time. | |||

ε4 Dose (0, 1, or 2) | 0.72 (per allele) | 0.54 –0.97 | 0.03 |

PTT ratio (linear) | 0.18 | 0.05 –0.62 | 0.01 |

PTT ratio (quadratic) | 2.62 | 1.05 –6.57 | 0.04 |

NIH stroke scale | 1.08 (per additional point) | 1.05 –1.12 | <0.00001 |