Table 2.
White Men, n = 58 634 | Black Men, n = 6293 | Unadjusted P Value | White Women, n = 35 241 | Black Women, n = 5702 | Unadjusted P Value | |
---|---|---|---|---|---|---|
Patient characteristics | ||||||
Median age, y | 65 | 59 | <0.0001 | 72 | 65 | <0.0001 |
Median BMI, kg/m2 | 29 | 29 | 0.0296 | 28 | 30 | <0.0001 |
Current/recent smoker | 32.3 | 44.5 | <0.0001 | 24.3 | 30.1 | <0.0001 |
DM | 33.3 | 39.3 | <0.0001 | 36.7 | 49.5 | <0.0001 |
HTN | 74.6 | 84.4 | <0.0001 | 80.2 | 90.1 | <0.0001 |
Dyslipidemia | 66.5 | 59.0 | <0.0001 | 63.2 | 61.1 | 0.0018 |
Prior stroke | 8.4 | 12.2 | <0.0001 | 10.6 | 15.5 | <0.0001 |
Prior MI | 31.5 | 31.5 | 0.8918 | 26.0 | 28.7 | <0.0001 |
Prior PCI | 29.0 | 26.2 | <0.0001 | 21.8 | 21.2 | 0.2722 |
Prior CABG | 23.2 | 13.9 | <0.0001 | 14.6 | 12.1 | <0.0001 |
Median symptom onset time to presentation (h; all) | 4.4 | 4.2 | 0.1854 | 4.4 | 3.9 | 0.0003 |
Median time of symptom onset to presentation (h; among direct arrivals) | 2.4 | 2.4 | 0.1555 | 2.6 | 2.6 | 0.9195 |
Signs, symptoms, and findings at presentation | ||||||
Signs of CHF | 16.8 | 19.9 | <0.0001 | 24.2 | 24.7 | 0.4576 |
Cardiogenic shock | 2.1 | 1.9 | 0.3937 | 2.0 | 2.1 | 0.7019 |
HR on admission, bpm, median | 81 | 84 | <0.0001 | 86 | 86 | 0.1124 |
Initial Cr, mg/dL, median (nondialysis) | 1.10 | 1.20 | <0.0001 | 1.00 | 1.00 | <0.0001 |
No. of diseased vessels (among patients with cath) | ||||||
1 | 24.93 | 27.72 | <0.0001 | 29.10 | 28.69 | <0.0001 |
2 | 30.86 | 28.41 | 27.26 | 26.05 | ||
3 | 39.41 | 32.39 | 29.50 | 28.35 | ||
0 | 4.14 | 10.25 | 12.73 | 15.49 | ||
Insurance status | ||||||
HMO/private | 60.8 | 40.0 | <0.0001 | 56.7 | 38.1 | <0.0001 |
Medicare | 25.4 | 32.2 | 32.8 | 42.8 | ||
Medicaid | 2.5 | 7.7 | 3.6 | 8.9 | ||
Self/none | 8.8 | 15.9 | 6.1 | 9.1 | ||
Hospital characteristics | ||||||
No. of beds, median | 402 | 562 | <0.0001 | 392 | 547 | <0.0001 |
Hospital type | ||||||
PCI and surgery | 92.9 | 93.5 | <0.0001 | 90.9 | 91.7 | <0.0001 |
PCI, no surgery | 5.0 | 5.7 | 5.9 | 6.7 | ||
Cath lab only | 1.1 | 0.2 | 1.5 | 0.6 | ||
No services | 1.0 | 0.6 | 1.7 | 1.0 | ||
Academic hospital | 25.1 | 37.3 | <0.0001 | 23.3 | 37.7 | <0.0ß001 |
Socioeconomic status | ||||||
Education (% of persons age ≥25 years with ≥4 of college, median) | 20.8 | 24.6 | <0.0001 | 21.4 | 25.3 | <0.0001 |
HHI in 2004, $, median | 41 981 | 41 242 | <0.0001 | 42 239 | 41 767 | <0.0001 |
Rural community | 28.2 | 17.4 | <0.0001 | 25.9 | 15.5 | <0.0001 |
Abbreviations: ACTION, Acute Coronary Treatment and Intervention Outcomes Network; BMI, body mass index; CABG, coronary artery bypass grafting; cath, catheterization; CHF, congestive heart failure; Cr, creatinine; DM, diabetes mellitus; HHI, household income; HMO, health maintenance organization; HR, heart rate; HTN, hypertension; MI, myocardial infarction; NSTEMI, non–ST‐segment elevation myocardial infarction; PCI, percutaneous coronary intervention.
Data are presented as % unless otherwise noted.