| Response | 2009 | 2014 | P Value |
|---|---|---|---|
|
% (95% Confidence Interval) | |||
| Numbness of face, arm, leg, or side | 87.1 (86.4–87.7) | 93.7 (93.3–94.1) | <.001 |
| Confusion or trouble speaking | 85.1 (84.5–85.8) | 92.8 (92.4–93.2) | <.001 |
| Sudden trouble seeing | 71.4 (70.5–72.2) | 82.9 (82.3–83.4) | <.001 |
| Trouble walking | 83.4 (82.7–84.0) | 90.0 (89.6–90.5) | <.001 |
| Sudden severe headache | 65.4 (64.5–66.3) | 76.1 (75.4–76.7) | <.001 |
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