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Numbers of participants, stroke events, fatal strokes, and person-years of exposure within strata of county-level stroke mortality, as calculated from U.S. Vital Statistics, 2005-2007 and 2008-2010.10,11
| All | Quartile of County Stroke Mortality | |||||
|---|---|---|---|---|---|---|
| Q1 | Q2 | Q3 | Q4 | |||
| All | Number of Participants | 29,650 | 7,357 | 7,468 | 7,395 | 7,430 |
| Number of Stroke Events | 1,317 | 317 | 320 | 315 | 365 | |
| Number of Fatal Stroke Events | 242 | 46 | 68 | 41 | 77 | |
| Person-years exposure | 205,917 | 52,615 | 51,913 | 50,993 | 50,396 | |
