Figure.
Performance measures adherence and average percentage change over time, Massachusetts Emergency Medical Service Stroke Quality Improvement project, July 2009–June 2012. Asterisks indicate measures with significant changes from baseline. Abbreviation: APC, average percentage change.
| Action | Quarter | Average Percent Change in Range of Modeled Values, Baseline to Quarter 12 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| ||||||||||||
| Baseline (Q1-Q2) | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | ||
| Blood glucose tested | 91.2 | 96.2 | 95.5 | 97.3 | 96.5 | 94.6 | 96.5 | 98.2 | 98.8 | 98.8 | 97.3 | 93.2–98.9 |
| Time-last- well-known documented | 79.4 | 94.5 | 89.5 | 94.6 | 94.1 | 93.9 | 91.9 | 90.1 | 93.3 | 93.9 | 98.6 | 86.1–97.1 |
| Time of symptom discovery documented | 82.4 | 95.1 | 88.4 | 94.6 | 96.1 | 96.2 | 94.6 | 96.6 | 94.5 | 95.8 | 99.4 | 87.2–99.3 |
| Stroke prenotification to hospital | 69.1 | 71.7 | 71.8 | 79.9 | 77.1 | 69.3 | 73.6 | 83.0 | 85.6 | 87.3 | 93.6 | 66.6–88.0 |
| Stroke screening performed | 93.8 | 97.2 | 95.1 | 96.2 | 94.9 | 94.2 | 94.1 | 96.7 | 94.8 | 95.1 | 96.3 | 90.4–97.5 |