Table 1.
Descriptive Statistics of Patient and Hospital Characteristics
| Nearest ED was not diverted on the day of admission | Nearest ED's exposure to diversion on the day of admission |
|||||||
|---|---|---|---|---|---|---|---|---|
| <6 hr | 6-12 hours | ≥12 hours | ||||||
| % or Mean | (N or SD) | % or Mean | (N or SD) | % or Mean | (N or SD) | % or Mean | (N or SD) | |
| Share of patients who die within: | ||||||||
| 7-day | 9% | (305) | 9% | (300) | 8% | (222) | 10% | (208) |
| 30-day | 15% | (545) | 16% | (538) | 17% | (451) | 19% | (392) |
| 90-day | 22% | (762) | 23% | (760) | 23% | (605) | 26% | (537) |
| 9-month | 28% | (980) | 29% | (978) | 28% | (751) | 33% | (680) |
| 1-year | 29% | (1034) | 31% | (1028) | 30% | (794) | 35% | (731) |
| Patient demographics | ||||||||
| Female | 50% | (1757) | 50% | (1677) | 51% | (1354) | 52% | (1065) |
| African American | 6% | (203) | 6% | (191) | 6% | (169) | 11% | (231) |
| Other non-white races | 19% | (662) | 20% | (663) | 20% | (522) | 20% | (414) |
| Age distribution | 12% | (432) | 11% | (373) | 13% | (342) | 14% | (294) |
| 65-69 | 15% | (531) | 15% | (499) | 15% | (398) | 15% | (313) |
| 70-74 | 19% | (656) | 20% | (669) | 19% | (520) | 20% | (403) |
| 75-79 | 22% | (773) | 22% | (729) | 22% | (580) | 22% | (445) |
| 80-84 | 19% | (670) | 18% | (592) | 17% | (445) | 17% | (344) |
| 85+ | 14% | (479) | 15% | (495) | 14% | (382) | 13% | (261) |
| Patient comorbid conditions | ||||||||
| Peripheral vascular disease | 7% | (245) | 7% | (249) | 7% | (192) | 7% | (142) |
| Chronic pulmonary disease | 19% | (680) | 20% | (667) | 19% | (501) | 21% | (436) |
| Dementia | 4% | (150) | 5% | (167) | 4% | (110) | 5% | (99) |
| Chronic renal failure | 2% | (72) | 2% | (66) | 2% | (52) | 2% | (42) |
| Diabetes | 25% | (874) | 25% | (837) | 27% | (726) | 28% | (572) |
| Liver disease | 0% | (12) | 1% | (17) | 1% | (15) | 0% | (5) |
| Cancer | 6% | (224) | 5% | (177) | 5% | (141) | 5% | (107) |
| Patient treatment | ||||||||
| Catheterization | 49% | (1750) | 45% | (1506) | 46% | (1239) | 42% | (860) |
| cath on day of admission | 43% | (756) | 42% | (628) | 40% | (491) | 40% | (340) |
| PCI | 31% | (1105) | 26% | (885) | 28% | (752) | 24% | (489) |
| PCI on day of admission | 52% | (578) | 53% | (466) | 51% | (381) | 49% | (239) |
| Thrombolytic therapy | 1% | (51) | 2% | (58) | 1% | (38) | 2% | (32) |
| Thrombolytic therapy on day of admission | 82% | (42) | 76% | (44) | 82% | (31) | 94% | (30) |
| Admission hospital characteristics | ||||||||
| has cath lab | 87% | (3066) | 81% | (2730) | 80% | (2130) | 78% | (1611) |
| for-profit | 7% | (259) | 13% | (431) | 15% | (411) | 17% | (346) |
| Government | 9% | (336) | 9% | (298) | 10% | (276) | 12% | (255) |
| Share admitted to nearest ED | 42% | (1478) | 40% | (1334) | 41% | (1091) | 41% | (844) |
| Mean distance between admitted and nearest ED (in miles) | 2.34 | (7.49) | 2.65 | (7.22) | 2.57 | (7.42) | 2.34 | (6.80) |
| Mean total beds in hospital | 325.29 | (281.00) | 317.78 | (264.04) | 319.20 | (189.01) | 314.30 | (251.41) |
| Number of patients | 3541 | 3357 | 2667 | 2060 | ||||