Table 2.
Baseline characteristics of participants in included studies
| Authors | Year | Age, mean (SD), years | Diabetes, n (%) | Hypertension, n (%) | Hyperlipidaemia, n (%) | Smoking, n (%) | Prior MI, n (%) | Prior PCI, n (%) | |||||||
| Female | Male | Female | Male | Female | Male | Female | Male | Female | Male | Female | Male | Female | Male | ||
| Venetsanos et al10 | 2017 | 69 (13.0) | 59 (11.0) | 48 (13.0) | 205 (13.7) | 190 (51.5) | 605 (40.5) | 117 (31.7) | 536 (35.9) | NA | NA | 24 (6.5) | 135 (9.0) | 16 (4.3) | 124 (8.3) |
| Ali et al11 | 2018 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| Langabeer et al12 | 2018 | 62.5 (13.6) | 60.2 (12.5) | 759 (29.6) | 1975 (27.8) | NA | NA | 1265 (49.3) | 3693 (52.0) | 951 (37.0) | 2763 (38.9) | 435 (16.9) | 1304 (18.4) | NA | NA |
| Tang et al13 | 2018 | 64.5 (9.3) | 54.4 (10.7) | 66 (31.4) | 311 (25.1) | 141 (67.1) | 659 (53.3) | 125 (59.5) | 749 (60.3) | 33 (15.7) | 957 (77.3) | 10 (4.8) | 83 (6.7) | 60 (28.6) | 282 (22.8) |
| Cenko et al14 | 2019 | 66.1 (11.7) | 59.7 (11.7) | 925 (29.7) | 1531 (20.9) | 2322 (74.6) | 4502 (61.4) | 1353 (43.3) | 3100 (42.3) | 1010 (32.5) | 3714 (50.7) | 301 (9.7) | 842 (11.5) | 306 (9.8) | 762 (10.4) |
| Hao et al15 | 2019 | 69.0 (10.6) | 61.1 (12.4) | 10 141 (48.1) | 24 082 (39.4) | 15 607 (74.1) | 38 426 (62.9) | 17 996 (85.4) | 50 944 (83.3) | 1719 (8.2) | 32 377 (53.0) | NA | NA | NA | NA |
| Hannan et al16 | 2019 | 70.72 (14.73) | 62.11 (12.82) | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | 868 (11.1) | 2206 (13.8) |
| Maznyczka et al17 | 2019 | 61.2 (12.2) | 58.6 (11.2) | 8 (9.2) | 26 (11.0) | 32 (36.8) | 73 (30.8) | 28 (32.2) | 66 (27.8) | 57 (65.5) | 139 (58.6) | 5 (5.7) | 20 (8.4) | 2 (2.3) | 16 (6.8) |
| Stehli et al18 | 2019 | 66.5 (13.2) | 60.8 (12.2) | 245 (18.6) | 770 (15.1) | NA | NA | NA | NA | NA | NA | NA | NA | 104 (7.9) | 577 (11.3) |
| Burgess et al19 | 2020 | 62.7 (52.7–73.2) | 58.2 (50.6–65.7) | 39 (31.7) | 88 (18.9) | 84 (68.3) | 243 (52.1) | 83 (67.5) | 253 (52.3) | 64 (52.0) | 252 (54.1) | 9 (7.3) | 41 (8.8) | NA | NA |
| Dharma et al20 | 2020 | 60 (10) | 55 (10) | 403 (43.4) | 1548 (27.5) | 647 (69.6) | 2889 (51.3) | 299 (32.2) | 1779 (31.6) | 109 (11.7) | 4049 (71.9) | NA | NA | NA | NA |
| Kerkman et al21 | 2020 | 68 (14) | 61 (12) | 39 (17.6) | 66 (12.5) | 101 (45.7) | 178 (33.6) | 56 (25.9) | 110 (21.0) | 88 (41.1) | 258 (49.3) | 30 (13.6) | 79 (13.7) | 33 (14.4) | 77 (14.2) |
| Siabani et al22 | 2020 | 65.8 (11.3) | 59.0 (12.4) | 114 (37.7) | 187 (16.2) | 195 (63.7) | 410 (35.4) | 110 (36.7) | 208 (18.5) | 41 (13.2) | 655 (55.9) | NA | NA | NA | NA |
| Tai et al23 | 2020 | 78 (76–81) | 78 (76–80) | 96 (35.2) | 116 (26.5) | 217 (79.5) | 319 (72.8) | NA | NA | 14 (5.4) | 239 (56.5) | NA | NA | 36 (13.5) | 78 (18.1) |
| Tizón-Marcos et al24 | 2020 | 69.9 (13.7) | 60.9 (12.6) | 844 (24.2) | 1927 (17.2) | 1192 (34.2) | 2722 (24.3) | 878 (25.2) | 2375 (21.2) | 474 (13.6) | 2711 (24.2) | NA | NA | NA | NA |
MI, myocardial infarction; PCI, percutaneous coronary intervention.