Table 6.
Pre‐ and In‐Hospital Characteristics Among Patients With ST‐Segment Elevation Myocardial Infarction
| 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | P Value | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| N (sample) | 64 918 | 316 871 | 59 433 | 54 960 | 46 332 | 41 405 | 43 559 | 37 249 | 37 556 | 34 200 | 32 900 | |
| N (weighted) | 316 871 | 10 744 | 286 615 | 262 937 | 225 706 | 202 291 | 211 620 | 184 115 | 184 442 | 172 006 | 164 297 | |
| Prehospital | ||||||||||||
| Sex, % | ||||||||||||
| Male | 63.23 | 63.76 | 64.03 | 64.72 | 65.02 | 65.50 | 66.95 | 66.85 | 67.17 | 68.39 | 68.74 | <0.0001 |
| Female | 36.77 | 36.24 | 35.97 | 35.28 | 34.98 | 34.50 | 33.06 | 33.15 | 32.83 | 31.61 | 31.26 | <0.0001 |
| Age, y, % | ||||||||||||
| <55 | 25.81 | 26.13 | 27.19 | 27.84 | 27.31 | 28.11 | 30.00 | 29.99 | 29.40 | 30.46 | 29.96 | <0.0001 |
| 55 to 64 | 22.08 | 22.25 | 22.68 | 24.08 | 24.38 | 25.01 | 25.70 | 25.90 | 26.68 | 26.90 | 28.15 | <0.0001 |
| 65 to 74 | 23.24 | 22.72 | 22.03 | 21.11 | 20.99 | 20.15 | 19.62 | 19.27 | 20.18 | 20.09 | 20.04 | <0.0001 |
| 75 to 84 | 20.47 | 20.12 | 19.31 | 18.58 | 18.88 | 17.83 | 16.53 | 16.29 | 15.51 | 14.75 | 14.33 | <0.0001 |
| >84 | 8.40 | 8.78 | 8.79 | 8.39 | 8.44 | 8.90 | 8.15 | 8.55 | 8.23 | 7.80 | 7.51 | <0.0001 |
| Race, % | ||||||||||||
| White | 83.80 | 82.85 | 80.53 | 79.52 | 80.77 | 81.80 | 81.19 | 78.52 | 79.37 | 78.55 | 78.16 | <0.0001 |
| Black | 6.16 | 6.32 | 6.87 | 7.28 | 6.99 | 5.56 | 6.51 | 7.78 | 7.06 | 7.21 | 8.07 | <0.0001 |
| Hispanic | 5.55 | 6.05 | 6.91 | 7.85 | 6.64 | 7.42 | 7.04 | 7.37 | 6.28 | 6.85 | 7.36 | <0.0001 |
| Asian | 1.69 | 1.53 | 2.06 | 2.20 | 2.22 | 1.78 | 1.95 | 2.08 | 2.23 | 2.20 | 2.37 | <0.0001 |
| AI/AN | 0.26 | 0.37 | 0.22 | 0.18 | 0.30 | 0.27 | 0.43 | 0.57 | 0.99 | 0.64 | 0.93 | <0.0001 |
| Other | 2.53 | 2.88 | 3.41 | 2.98 | 3.10 | 3.18 | 2.88 | 3.68 | 4.09 | 4.56 | 3.11 | <0.0001 |
| Comorbidities, % | ||||||||||||
| T2DM | 19.73 | 20.42 | 21.26 | 21.71 | 22.29 | 22.68 | 23.34 | 24.29 | 24.56 | 24.74 | 25.42 | <0.0001 |
| TIA/stroke | 3.05 | 3.00 | 3.02 | 2.84 | 2.91 | 2.69 | 2.75 | 2.69 | 2.90 | 2.52 | 2.80 | <0.0001 |
| Heart failure | 25.39 | 24.16 | 24.42 | 25.20 | 25.43 | 24.24 | 23.45 | 24.04 | 23.23 | 23.39 | 22.81 | <0.0001 |
| Prior MI | 66.56 | 68.68 | 70.59 | 72.63 | 74.39 | 76.10 | 78.77 | 80.01 | 82.87 | 84.08 | 84.13 | <0.0001 |
| Hypertension | 46.32 | 48.07 | 50.07 | 51.46 | 53.05 | 54.43 | 56.36 | 57.99 | 59.42 | 60.81 | 61.32 | <0.0001 |
| Renal failure | 4.63 | 5.04 | 5.59 | 5.77 | 6.12 | 7.52 | 9.93 | 12.97 | 13.66 | 14.38 | 14.84 | <0.0001 |
| AFib | 12.73 | 12.85 | 12.99 | 12.26 | 12.80 | 12.53 | 12.16 | 12.00 | 11.25 | 11.19 | 10.95 | <0.0001 |
| Dyslipidemia | 30.38 | 33.50 | 37.68 | 39.52 | 43.26 | 46.92 | 49.91 | 53.47 | 55.06 | 57.06 | 58.82 | <0.0001 |
| PAD | 2.94 | 2.98 | 3.27 | 3.29 | 3.31 | 3.25 | 3.41 | 3.67 | 3.87 | 3.65 | 3.66 | <0.0001 |
| Cancer | 0.57 | 0.61 | 0.58 | 0.57 | 0.60 | 0.71 | 0.60 | 0.73 | 0.71 | 0.65 | 0.69 | <0.0001 |
| Dementia | 0.64 | 0.63 | 0.52 | 0.51 | 0.44 | 0.51 | 0.48 | 0.40 | 0.38 | 0.39 | 0.29 | <0.0001 |
| Tobacco use | — | — | 24.00 | 25.39 | 26.93 | 29.08 | 31.12 | 32.07 | 33.86 | 34.73 | 34.69 | <0.0001 |
| Obesity | — | — | 11.4075 | 12.4402 | 12.5151 | 14.701 | 14.9526 | 15.7799 | 17.9707 | 19.4745 | 19.9242 | <0.0001 |
| In‐hospital, % | ||||||||||||
| Shock | 6.19 | 6.51 | 7.01 | 7.23 | 7.52 | 8.25 | 8.39 | 9.28 | 9.96 | 10.71 | 10.75 | <0.001 |
| VFib | 4.27 | 4.23 | 4.61 | 4.59 | 4.85 | 4.88 | 5.11 | 5.46 | 5.72 | 6.16 | 6.19 | <0.0001 |
| Revasc | 70.52 | 72.84 | 74.60 | 76.56 | 77.72 | 81.19 | 83.38 | 84.68 | 86.53 | 89.02 | 89.65 | <0.0001 |
| Mortality | 9.09 | 8.57 | 8.36 | 7.93 | 7.77 | 7.65 | 6.85 | 7.14 | 6.93 | 6.63 | 6.32 | <0.0001 |
AFib indicates atrial fibrillation; AI/NA, American Indian or Native American; MI, myocardial infarction; PAD, peripheral arterial disease; Revasc, coronary revascularization procedure; T2DM, type 2 diabetes mellitus; TIA, transient ischemic attack; VFib, ventricular fibrillation.