IJCS | Volume 32, Nº2, March/April 2019

166 Table 1 - General characteristics of selected articles Selected studies Year of publication Comparison of individuals Male sex% Number Smoking Hypertension Diabetes Family history Obesity Alcohol consumption Hyperlipidemia LVEF Chest pain Single vessel Multiple vessel LAD RCA LCX Mortality Srivastava et al[10] 2015 Young patients 88.60% 123 109 42 27 15 69 - - - 94 - - - - - - Older patients 88.90% 388 231 93 90 61 128 - - - 294 - - - - - - T.S.Chen et al[11] 2014 Young patients 67.51% 225 130 67 28 110 - 86 70 - - 31 18 - - - - Older patients 64.70% 3,516 880 1824 704 1,127 - 887 1,620 - - 448 936 - - - - Yunyun et al[12] 2014 Young patients 88.37% 86 71 41 18 47 - 25 - - - - - - - - - Older patients 53.16 65 39 35 17 26 - 7 - - - - - - - - - Anderson et al[13] 2007 Young patients 88% 803 592 273 228 - 304 - 549 35.9 ± 9.5 - - - - - - 56 Older patients 78.60% 6,185 2,843 3,128 2,276 - 2,039 - 4,476 35.9 ± 10.1 - - - - - - 2,822 Chen JH et al[14] 2006[14] Young patients 94.80% 134 97 46 28 88 22 - 83 47.6 ± 14.8 132 50 60 81 69 51 - Older patients 84.90% 238 157 158 74 52 16 - 81 45.3 ± 14.1 216 56 125 154 112 112 - Chua et al[15] 2010[15] Young patients 92.90% 99 75 34 17 - 27 - - - 94 56 43 57 33 8 3 Older patients 80.30% 750 354 375 250 - 101 - - - 650 207 543 392 274 69 147 Essilfie G et al[17] 2016 Young patients 87.20% 47 18 24 15 8 13 - 25 50.3 ± 14.9 - 34 13 32 11 4 2 Older patients 72.70% 447 166 335 204 84 144 - 260 48.2 ± 14.3 - 185 265 211 121 100 20 Jiao W et al[16] 2015 Young patients -* 52 30 14 2 22 - 13 - - - 24 22 30 6 10 - Older patients - 200 108 88 26 36 - 50 - - - 68 128 103 58 35 - *represent data that was not reported. LVEF: ventricular ejection fraction; LAD: anterior descending artery (LAD); RCA: right coronary artery; LCX: left circumflex artery. Lei & Bin Differences of risk factors in young AMI patients Int J Cardiovasc Sci. 2019;32(2)163-176 Review Article