Table 1.
Temporal trends in risk factors, clinical history and clinical presentation 2006–2013.
| Variable | Total n = 70,093 |
2006 n = 7940 |
2007 n = 7428 |
2008 n = 6618 |
2009 n = 7932 |
2010 n = 10,463 |
2011 n = 9748 |
2012 n = 10,450 |
2013 n = 9514 |
p Value for Trend |
|---|---|---|---|---|---|---|---|---|---|---|
| Age | 63 (55–73) | 61 (53–71) | 62 (54–72) | 62 (55–72) | 62 (55–72) | 62 (55–73) | 63 (55–74) | 63 (56–74) | 64 (56–74) | <0.001 |
| Age > 75 y | 14,746, 21% | 1318, 16.6% | 1352, 18.2% | 1323, 20% | 1539, 20.1% | 2268, 21.7% | 2248, 23.1% | 2407, 23% | 2237, 23% | <0.001 |
| Male sex | 48,248, 68.8% | 5569, 70.1% | 5226, 70.4% | 4532, 68.5% | 5540, 69.8% | 7333, 70.1% | 6630, 68.0% | 7167, 68.6% | 6251, 65.7% | <0.001 |
| Hyper-tension | 44,899, 64.1% | 4719, 59.4% | 4474, 60.2% | 4061, 61.4% | 5034, 63.5% | 6871, 65.7% | 6516, 66.8% | 6891, 65.9% | 6333, 66.6% | <0.001 |
| Diabetes Mellitus | 15,558, 22.2% | 1328, 16.7% | 1408, 19.0% | 1525, 23.0% | 1820, 22.9% | 2515, 24.0% | 2296, 23.6% | 2426, 23.2% | 2240, 23.5% | <0.001 |
| Smoking | 41,609, 59.4% | 3481, 43.8% | 3565, 48.0% | 3930, 59.4% | 4914, 62.0% | 6576, 62.9% | 6200, 63.6% | 6816, 65.2% | 6127, 64.4% | <0.001 |
| Obesity | 12,375, 17.7% | 1205, 15.2% | 1156, 15.6% | 1133, 17.1% | 1491, 18.8% | 1880, 18.0% | 1779, 18.2% | 1908, 18.3% | 1823, 19.2% | <0.001 |
| Prior AMI | 8166, 11.7% | 941, 11.9% | 846, 11.4% | 701, 10.6% | 886, 11.2% | 1250, 11.9% | 1138, 11.7% | 1282, 12.3% | 1122, 11.8% | 0.063 |
| Prior PCI | 4889, 7.0% | 102, 1.3% | 244, 3.3% | 396, 6.0% | 612, 7.7% | 866, 8.3% | 812, 8.3% | 979, 9.4% | 878, 9.2% | <0.001 |
| PriorCABG | 1429,2.0% | 377, 4.7% | 285, 3.8% | 121, 1.8% | 124, 1.6% | 136, 1.3% | 125, 1.3% | 125, 1.2% | 136, 1.4% | <0.001 |
| EF ≤ 35% | 15,200, 27.6% | 1519, 27.1% | 1376, 26.8% | 1314, 27.4% | 1678, 26.9% | 2308, 28.1% | 2161, 26.7% | 2477, 28.0% | 2376, 28.9% | 0.005 |
| Anterior AMI | 28,240, 40.3% | 3219, 40.5% | 2973, 40.0% | 2631, 39.8% | 3175. 40.0% | 4233, 40.5% | 3916, 40.2% | 4241, 40.6% | 3852, 40.5% | 0.45 |
| Killip class 3 | 1158, 1.7% | 118, 1.5% | 117, 1.6% | 92, 1.4% | 116, 1.5% | 195, 1.9% | 159, 1.6% | 197, 1.9% | 164, 1.7% | 0.013 |
| Killip class 4 | 3315, 4.7% | 356, 4.5% | 328, 4.4% | 274, 4.1% | 375, 4.7% | 514, 4.9% | 438, 4.5% | 530, 5.1% | 500, 5.3% | <0.001 |
| Pre-hospital cardiac arrest | 1677, 2.4% | 279, 3.5% | 262, 3.5% | 143, 2.2% | 154, 1.9% | 242, 2.3% | 217, 2.2% | 216, 2.1% | 164, 1.7% | <0.001 |
Data presented as median (25th–75th quartile) or n, %. AMI—acute myocardial infarction, PCI—percutaneous coronary intervention, CABG—coronary artery bypass grafting, EF—ejection fraction.