Characteristics of the nine reports selected for the meta-analysis of St Jude Medical aortic valve prostheses
| Reference No | Total | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 8 | 9 | 10 | 11 | 4 | 12 | 13 | 14 | 15 | ||
| *Approximate figures. | ||||||||||
| ~Data not available. | ||||||||||
| CABG, coronary artery bypass graft; PS, prospective study; RS, retrospective study. | ||||||||||
| Type of study | RS | RS | RS | PS | RS | PS | RS | RS | RS | |
| Patients (n) | 412 | 351 | 694 | 418 | 666 | 204 | 178 | 773 | 578 | 4274 |
| % Male | 59 | 72* | 62 | 70 | 60 | 46* | 63 | 69 | ~ | 64 |
| Mean age (years) | 62 | 54 | 58 | 55 | 66 | 52* | 51 | 57 | 59* | 59 |
| Follow up (patient-years) | 1800* | 1640 | 4502 | 2376 | 3881 | 1969 | 699 | 6419 | 2441 | 25 726 |
| % Concomitant CABG | 42 | 22 | 24 | 27 | 50 | ~ | 7 | 9* | 17 | 30 |