Table 2.
Baseline clinical characteristics of the included studies
| Study | Male, % | Mean age, year | AMI, % | CS, % | Infarct-related artery (LM/LAD/LCX/RCA), % | Hypertension, % | Diabetes mellitus, % | Previous stroke/TIA, % | Prior MI, % | Prior PCI, % | Prior CABG, % |
| SEMPER FI25 | 74/78 | 64/63 | 100 | 0 | 1.0/50.0/11.0/33.0 | 24/32 | 8/18 | 2/2 |
6/10 | 8/12 | 2/8 |
| Zhou et al29 | 67/62 | 57.2/56.7 | 100 | 100 | 0/34.5/38.1/27.4 | NA | NA | NA | NA | NA | NA |
| IABP-SHOCK II8 9 | 70.6/67.1 | 70/69 | 100 | 100 | 9/42.2/18.7/25.3 | 72/66.6 | 35.4/30.1 | 8/6.7 | 23.7/20.4 | 21.1/17.4 | 6.7/4.0 |
| CRISP AMI28 | 82/81.8 | 56.1/57.7 | 100 | 0 | 0/97.3/0/0.3 | 24.2/34.1 | 16.8/20.5 | 0/0.6 | 0/0 | 1.9/1.1 | NA |
| Gu et al30 | 56.9/65.5 | 67.4/66.6 | 100 | 0 | 3.8/47.2/11.3/37.7 | 68.6/60 | 35.5/34.5 | NA | 3.9/5.5 | 68.6/70.9 | NA |
| Prondzinsky et al31 | 74/81 | 62.1/66.1 | 100 | 100 | NA | 42.1/47.6 | 52.6/47.6 | NA | 21.1/23.8 | NA | NA |
| Arias et al33 | NA | NA | 100 | 100 | 0/60.0/22.5/8.3 | NA | NA | NA | NA | NA | NA |
| Vijayalakshmi et al34 | 82/88 | 40/45 | 100 | 0 | NA | 25/38 | 18/25 | NA | 12/25 | NA | NA |
| IMPRESS26 | 75/83 | 58/59 | 100 | 100 | 6.3/64.6/18.8/10.4 | 20/29 | 9/13 | 0/4 | 5/4 | NA | NA |
| Seyfarth et al32 | 62/85 | 65/67 | 100 | 100 | NA | 54/69 | 39/23 | NA | NA | NA | NA |
| Thiele et al27 | 76/75 | 63/65 | 100 | 100 | NA | 76/75 | 52/55 | NA | 62/45 | NA | NA |
| Lackermair et al35 | 76.2/95.2 | 62/70 | 100 | 100 | 9.5/54.8/16.7/19.0 | 55/75 | 15/30 | 0/10 | 15/30 | 20/20 | 0/0 |
AMI, acute myocardial infarction; CABG, coronary artery bypass grafting; CS, cardiogenic shock; LAD, left anterior descending; LCX, left circumflex; LM, left main; MI, myocardial infarction; NA, not available; PCI, percutaneous coronary intervention; RCA, right coronary artery; TIA, transient ischaemic attack.