Table 16-1.
Incidence and Outcome of Out-of-Hospital Cardiac Arrest in the United States, 2011
| Incidence per 100 000, Point Estimate (95% CI) | Annual Number of Cases in United States, Point Estimate (Quasi CI) | Annual Number of Fatalities in United States, Point Estimate (Quasi CI) | Survival, Point Estimate (95% CI), % | |
|---|---|---|---|---|
| EMS assessed | ||||
| Overall | 134.1 (131.7–136.6) | 424 000 (417 000–432 000) | 401 000 (392 000–410 000) | 5.2 (4.8–5.6) |
| Adults | 135.8 (133.0–138.7) | 322 000 (315 000–328 000) | 299 000 (291 000–307 000) | 6.7 (6.2–7.2) |
| Children | 11.9 (10.5–13.4) | 9500 (8400–10 700) | 8800 (7500–10 200) | 4.4 (2.0–6.9) |
| EMS treated | ||||
| Overall | 66.7 (64.9–68.4) | 211 000 (205 000–216 000) | 187 000 (181 000–194 000) | 10.4 (9.7–11.2) |
| Adults | 84.8 (82.5–87.0) | 201 000 (195 000–206 000) | 178 000 (172 000–184 000) | 10.7 (9.9–11.5) |
| Children | 9.7 (8.4–11.1) | 7700 (6700–8800) | 7000 (5800–8400) | 5.4 (2.4–8.4) |
| Shockable rhythm | ||||
| Overall | 13.4 (12.6–14.2) | 42 000 (40 000–45 000) | 30 000 (27 000–33 000) | 28.3 (25.7–30.8) |
| Adults | 17.4 (16.4–18.5) | 41 000 (39 000–44 000) | 29 000 (26 000–32 000) | 28.4 (25.9–30.9) |
| Children | 0.7 (0.3–1.0) | 560 (240–800) | 370 (100–720) | 26.7 (4.3–49.1) |
| Bystander-witnessed shockable rhythm | ||||
| Overall | 7.7 (7.1–8.3) | 24 000 (22 000–26 000) | 16 000 (14 000–18 000) | 31.7 (28.3–35.2) |
| Adults | 10.1 (9.3–10.9) | 24 000 (22 000–26 000) | 16 000 (14 000–18 000) | 31.7 (28.2–35.1) |
| Children | 0.3 (0.1–0.5) | 240 (80–400) | 160 (30–360) | 26.7 (4.3–49.0) |
US sites only; 2011 cases.
CI indicates confidence interval; and EMS, emergency medical services.
Source: Resuscitation Outcomes Consortium Investigators, unpublished data, July 23, 2013.