Table 3. Massachusetts Emergency Medical Services (EMS) Stroke Quality Improvement Collaborative Performance Measure Adherence Trends, Masschusetts EMS Service Stroke Quality Improvement Project, 2009–2012.
| Performance Measure | Baseline Measure Adherence, % | Quarter 12 Measure Adherence, % | Average Quarterly % Change (95% CI) | P Valuea |
|---|---|---|---|---|
| Blood glucose tested | 91.2 | 97.3 | 0.5 (0.2–0.8) | .01b |
| Time-last-known-well documented | 79.4 | 98.6 | 1.01 (0.2–1.9) | .04b |
| Time of symptom discovery documented | 82.4 | 99.4 | 1.1 (0.4–1.8) | .02b |
| Stroke prenotification to hospital | 68.5 | 93.6. | 2.4(1.5–3.8) | .001b |
| Stroke screening performed | 83.8 | 96.3 | 0.6 (−0.2 to 1.3) | .16 |
Abbreviation: EMS, emergency medical services.
a
P values were calculated by using joinpoint regression analyses.
b
Significant at P < .05.