Table 2. Characteristics of Agencies Participating in the Massachusetts EMS Stroke Quality Improvement Collaborativea, 2009-2012.
| Agency Characteristicb | Median (range per agency) | N, overall |
|---|---|---|
| Ambulance level of service (number of vehicles per agency) | ||
| Basic life support | 1.5 (0–20) | 50 |
| Advanced life support | 2.5 (0–15) | 56 |
| EMT level of service (number of EMTs per agency) | ||
| EMT, basic | 21 (0–400) | 753 |
| EMT, intermediate | 0 (0–18) | 54 |
| EMT, paramedic | 18 (3–90) | 357 |
| Annual emergency call volume (number of dispatches per agency) | 3,377 (400–100,000) | 170,939 |
Abbreviation: EMS, emergency medical services; EMT, emergency medical technician.
a
Data based on submitted baseline surveys from 14 participating emergency medical services agencies.
b
EMS agencies classified themselves as fire department–based (n = 10), municipal (n = 6), and private (n = 3); by geographic location if they were rural (n = 6), suburban (n = 5), city (n = 4), and urban (n = 3). Agencies could classify themselves into more than one category.