Table 1:
Characteristics of out-of-hospital sudden cardiac arrests in the registry of the Resuscitation Outcomes Consortium in seven metropolitan areas in the United States and Canada, from Apr. 1, 2006, to Mar. 31, 2007
| Characteristic | United States
|
Canada
|
|||||
|---|---|---|---|---|---|---|---|
| Dallas, Tex. | Pittsburgh, Pa. | Portland, Ore. | Seattle–King County, Wash. | Ottawa, Ont. | Toronto, Ont. | Vancouver, BC | |
| No. of sudden cardiac arrests* | 1761 | 764 | 937 | 1662 | 638 | 2586 | 887 |
| Total population† | 1 995 000 | 480 000 | 1 673 000 | 1 641 000 | 1 130 000 | 3 883 000 | 2 117 000 |
| Annual incidence of sudden cardiac arrest per 100 000‡ | 88.3 | 159.3 | 56.0 | 101.3 | 56.5 | 66.6 | 41.9 |
| Age, yr, mean (SD) | 64 (16) | 66 (18) | 66 (17) | 69 (18) | 70 (16) | 70 (10) | 69 (18) |
| Age ≥ 65 yr, % | 53 | 53 | 56 | 59 | 63 | 67 | 62 |
| Male sex, % | 58 | 59 | 60 | 60 | 61 | 58 | 65 |
| No. of census tracts included | 439 | 169 | 373 | 352 | 248 | 774 | 409 |
| Median household income, $§ | |||||||
| Overall | 50 166 | 36 614 | 55 748 | 63 115 | 62 151 | 51 971 | 50 799 |
| In lowest quartile | 30 202 | 21 545 | 38 358 | 41 323 | 36 610 | 35 088 | 33 554 |
| In highest quartile | 96 295 | 54 665 | 83 615 | 97 775 | 92 403 | 86 783 | 72 757 |
| Ratio of highest to lowest quartile of median income | 3.2 | 2.5 | 2.2 | 2.4 | 2.5 | 2.5 | 2.2 |
Note: SD = standard deviation.
*
Total number of arrests at home or at a residential institution that met criteria for analysis.
†
Population of census tracts included in analysis, rounded to nearest thousand.
‡
Incidence calculated for sudden cardiac arrests occurring at home or at a residential institution that met criteria for analysis; rates were not adjusted for age and sex.
§
Values are shown in 2006 US dollars.