Table 1 Demographic characteristics of patients with acute coronary syndrome in selected studies

Age (years)

69.6 ± 11

62.8 ± 12.4

70.8 ± 10.3

62.8 ± 12.6

72.0 ± 10.7

63.3 ± 13.7

70.4 ± 8.1

68.8 ± 11.8

73.1 ± 11.6

73.1 ± 10.9

n/a

n/a

Men

141 (67.8)

2427 (75.5)

612 (71.3)

10,633 (77.2)

178 (67.7)

1480 (71.1)

13 (72.2)

44 (74.6)

1432 (72.3)

1443 (72.8)

13,996 (61.1)

153,747 (62.2)

Systemic hypertension

88 (42.7)

1135 (35.4)

558 (65)

7961 (57.8)

199 (75.7)

1429 (68.5)

11(61.1)

37 (62.7)

1309/1879 (69.7)

1313/1878 (69.9)

13,790 (60.2)

147,568 (59.7)

Diabetes mellitus

23 (11)

361 (11.2)

246 (28.7)

3237 (23.5)

44 (16.7)

381 (18.3)

7 (38.9)

25 (42.4)

439/1894 (23.2)

476/1890 (25.2)

6849 (29.9)

72,177 (29.2)

Hyperlipidemia

46 (22.4)

738 (23.1)

414 (48.2)

7327 (53.2)

186 (70.7)

1536 (73.7)

n/a

n/a

974/1704 (57.2)

1033/1737 (59.5)

8980 (39.2)

97,390 (39.4)

Active smoker

61 (31)

1487 (46.8)

n/a

n/a

169 (64.3)

1422 (68.3)

n/a

n/a

456/1728 (26.4)

494/1733 (28.5)

n/a

n/a

 Myocardial infarction

35 (17)

335 (10.4)

132 (15.4)

1584 (11.5)

44 (16.7)

301 (14.5)

n/a

n/a

444/1981 (22.4)

404/1981 (20.4)

n/a

n/a

 PCI

21 (10.2)

267 (8.3)

125 (14.6)

1708 (12.4)

55 (20.9)

330 (15.8)

n/a

n/a

n/a

n/a

916 (4)

9640 (3.9)

 CABG

5 (2.4)

79 (2.5)

40 (4.7)

427 (3.1)

32 (12.2)

146 (7)

n/a

n/a

n/a

n/a

n/a

n/a

 Stroke

24 (11.7)

191 (5.9)

71 (8.3)

744 (5.4)

39 (14.8)

161 (7.7)

n/a

n/a

164/1981 (8.3)

153/1981 (7.7)

1558 (6.8)

15,573 (6.3)

 Anemia

53 (11.8)

152 (5.2)

n/a

n/a

n/a

n/a

9 (50)

4 (6.8)

312/807 (38.7)

192/777 (24.7)

4971 (21.7)

49,931 (20.2)

 STEMI

208 (100)

3215 (100)

440 (51.3)

8043 (58.4)

263 (100)

2083 (100)

n/a

n/a

1033/1981 (52.1)

987/1981 (49.8)

n/a

n/a

 NSTEMI

0

0

279 (32.5)

3912 (28.4)

0

0

n/a

n/a

n/a

n/a

n/a

n/a

 Unstable angina

0

0

139 (16.2)

1818 (13.2)

0

0

n/a

n/a

n/a

n/a

n/a

n/a

 1 vessel

87 (41.8)

1522 (47.4)

n/a

n/a

244 (92,8)

1959 (94)

9 (50)

35 (59.3)

n/a

n/a

n/a

n/a

 2 vessels

71 (34.1)

1005 (31.3)

n/a

n/a

19 (7.2)

119 (5.7)

7 (38.9)

17 (28.8)

n/a

n/a

n/a

n/a

 3 vessels

50 (24)

685 (21.3)

n/a

n/a

0

5 (0.2)

2 (11.1)

7 (11.9)

n/a

n/a

n/a

n/a

 Stenting

192 (92.3)

3082 (95.9)

812 (94.6)

13,332 (96.8)

n/a

n/a

16 (88.9)

54 (91.5)

n/a

n/a

n/a

n/a

 Drug-eluting stent

124 (60.8)

2263 (70.8)

304 (35.4)

5523 (40.1)

110 (41.8)

1138 (54.6)

1 (5.6)

7 (11.9)

n/a

n/a

n/a

n/a

 Bare metal stent

67 (32.8)

812 (25.4)

508 (59.2)

7809 (56.7)

n/a

n/a

15 (83.3)

47 (79.7)

n/a

n/a

n/a

n/a

 Beta-blockers

160 (84.2)

2812 (90.5)

640 (74.6)

11,198 (81.3)

n/a

n/a

2 (14.3)

27 (48.2)

1183/1960 (60.4)

1192/1957 (60.9)

7193 (31.4)

75,638 (30.6)

 ACE/ARBs

139 (73.2)

2220 (71.5)

605 (70.6)

10,344 (75.1)

n/a

n/a

6 (42.9)

43 (76.8)

995/1961 (50.7)

1038/1962 (52.9)

8705 (38)

90,963 (36.8)

 Statins

171 (90)

2897 (93.2)

780 (90.9)

12,878 (93.5)

n/a

n/a

8 (57.1)

41 (73.2)

1322/1958 (67.5)

1384/1965 (70.4)

5933 (25.9)

62,537 (25.3)

 Aspirin

187 (98.4)

3097 (99.3)

850 (99.1)

13,690 (99.4)

n/a

n/a

13 (92.9)

56 (100)

1829/1973 (92.7)

1858/1975 (94.1)

n/a

n/a

 P2Y12 inhibitors

186 (97.9)

3058 (98)

766 (89.3)

11,996 (87.1)

n/a

n/a

n/a

n/a

1380/1963 (70.3)

1465/1971 (74.3)

962 (4.2)

10,135 (4.1)