Table 1.
Medicare beneficiary OHCA cohort characteristics 2013–2015
| Variable | Overall n (%) | Black n (%) | White n (%) | Othera n (%) | Unknown n (%) |
|---|---|---|---|---|---|
| Overall OHCA cohort beneficiary level | 194,263 | 32,029 (16.5) | 149,993 (77.2) | 11,247 (5.8) | 994 (0.51) |
| Sex | |||||
| Female | 86,870 (44.7) | 17,316 (54.1) | 64,073 (42.7) | 5194 (46.2) | 287 (28.9) |
| Male | 107,393 (55.3) | 14,713 (45.9) | 85,920 (57.3) | 6053 (53.8) | 707 (71.1) |
| Age group category | |||||
| 65–74 y | 72,961 (37.6) | 13,619 (42.5) | 54,835 (36.6) | 3776 (33.6) | 731 (73.5) |
| 75–84 y | 69,267 (35.7) | 10,915 (34.1) | 54,398 (36.3) | 3809 (33.9) | 145 (14.6) |
| 85 + y | 52,035 (26.8) | 7495 (23.4) | 40,760 (27.2) | 3662 (32.6) | 118 (11.9) |
| AHRQ comorbidity index | |||||
| < 0 | 27,291 (14.0) | 4671 (14.6) | 20,833 (13.9) | 1641 (14.6) | 146 (14.7) |
| 0 | 28,430 (14.6) | 3482 (10.9) | 23,405 (15.6) | 1396 (12.4) | 147 (14.8) |
| 1–4 | 12,959 (6.7) | 1691 (5.3) | 10,550 (7.0) | 664 (5.9) | 54 (5.4) |
| > 5 | 80,251 (41.3) | 14,715 (45.9) | 59,701 (39.8) | 5389 (47.9) | 446 (44.9) |
| NA | 45,332 (23.3) | 7470 (23.3) | 35,504 (23.7) | 2157 (19.2) | 201 (20.2) |
| Treating hospital characteristics (beneficiary level) | |||||
| Hospital no. of beds | |||||
| < 100 | 29,240 (15.1) | 3075 (9.6) | 25,012 (16.7) | 1017 (9.0) | 136 (13.7) |
| 100–399 | 107,933 (55.6) | 16,405 (51.2) | 84,335 (56.2) | 6640 (59.0) | 533 (53.6) |
| > 400 | 55,099 (28.4) | 12,249 (38.2) | 39,176 (26.1) | 3364 (29.9) | 310 (31.2) |
| NA | 1991 (1.0) | 300 (0.9) | 1450 (1.0) | 226 (2.0) | 15 (1.5) |
| Hospital teaching status | |||||
| Major teaching | 24,527 (12.6) | 6720 (21.0) | 16,027 (10.7) | 1625 (14.4) | 155 (15.6) |
| Minor teaching | 64,815 (33.4) | 11,004 (34.4) | 49,226 (32.8) | 4252 (37.8) | 333 (33.5) |
| Non-teaching | 104,921 (54.0) | 14,305 (44.7) | 84,740 (56.5) | 5370 (47.7) | 506 (50.9) |
| Medical intensive care unit (MICU) beds (Y or N) | |||||
| MICU beds Y | 154,028 (79.3) | 25,965 (81.1) | 118,690 (79.1) | 8584 (76.3) | 789 (79.4) |
| MICU beds N | 11,457 (5.9) | 1239 (3.9) | 9680 (6.5) | 485 (4.3) | 53 (5.3) |
| NA | 28,778 (14.8) | 4825 (15.1) | 21,623 (14.4) | 2178 (19.4) | 152 (15.3) |
| Cardiac intensive care beds (CIC) (Y or N) | |||||
| CIC beds Y | 88,212 (45.4) | 16,293 (50.9) | 66,243 (44.2) | 5209 (46.3) | 467 (47.0) |
| CIC beds N | 77,273 (39.8) | 10,911 (34.1) | 62,127 (41.4) | 3860 (34.3) | 375 (37.7) |
| NA | 28,778 (14.8) | 4825 (15.1) | 21,623 (14.4) | 2178 (19.4) | 152 (15.3) |
| Cardiac catheterization capability (Y or N) | |||||
| Cardiac catheterization Y | 126,189 (65.0) | 21,667 (67.6) | 96,489 (64.3) | 7363 (65.5) | 670 (67.4) |
| Cardiac catheterization N | 68,074 (35.0) | 10,362 (32.4) | 53,504 (35.7) | 3884 (34.5) | 324 (32.6) |
| Outcomes | |||||
| Expired | 170,695 (87.9) | 28,016 (87.5) | 131,909 (87.9) | 9980 (88.7) | 790 (79.5) |
| Survival to discharge | 23,568 (12.1) | 4013 (12.5) | 18,084 (12.1) | 1267 (11.3) | 204 (20.5) |
aOther: Hispanic; Asian/Native Hawaiian, or Pacific Islander; American Indian or Alaska Native