Baseline characteristics of the included studies
| Author/ year | Type of study | Age (pVAD) | Age (IABP) | Male % (pVAD/IABP) | DM (pVAD/IABP) | HTN (pVAD/IABP) | HLD (pVAD/IABP) | Afib (pVAD/IABP) | Smoking (pVAD/IABP) | MI (pVAD/IABP) | PCI (pVAD/IABP) | CABG (pVAD/IABP) | Mechanical ventilation (pVAD/IABP) | Follow-up (months) |
| Gergory/2013 | RCT | 68±11 | 67±11 | 80.6/82 | 3 | |||||||||
| Bochaton/2019 | RCT | 60.3±12.3 | 53.5±8.1 | 85.7/100 | 2/0 | 1/0 | 4/0 | 6 | ||||||
| Schwartz/2011 | OCS | 69.7±10.5 | 67.4±11.4 | 86/58 | 4/32 | 4/34 | 5/28 | 5/28 | 3/18 | 3/6 | 4/11 | 1/7 | 1 | |
| Seyfarth et al12/2008 | RCT | 65 | 67 | 62/85 | 5/3 | 7/9 | 8/7 | 7/8 | 12/12 | 1 | ||||
| Ouweneel et al6/2016 | RCT | 58±9 | 59±11 | 75/83 | 2/3 | 4/6 | 4/5 | 11/6 | 1/1 | 24/24 | 6 | |||
| Khera et al8/2016 | OCS | 69.0±0.4 | 64.7±0.1 | 1.3/0.3 | 46/32 | 70/55 | 57/46 | 16/29 | ||||||
| Pieri et al19/ 2015 | OCS | – | – | – |
Afib, atrial fibrillation; CABG, coronary artery bypass graft; DM, diabetes mellitus; HLD, hyperlipidaemia; HTN, hypertension; IABP, intra-aortic balloon pump; MI, myocardial infarction; OCS, observational cohort study; PCI, percutaneous coronary intervention; pVAD, percutaneous ventricular assist device; RCT, randomised controlled trial.