1. Updated search results.
| Database searched | Date searched | February 2019 | October 2019 | January 2020 | Total number of results |
| CENTRAL (January 2020; Issue 1 of 12), in the Cochrane Library | 10/01/2020 | 211 | 132 | 28 | 371 |
| MEDLINE and Epub Ahead of Print, In‐Process & Other Non‐Indexed Citations and Daily (Ovid, 1946 to 9 January 2020) | 10/01/2020 | 242 | 46 | 27 | 315 |
| Embase Classic + Embase (Ovid, 1947 to 9 January 2019) | 10/01/2020 | 121 | 17 | 12 | 150 |
| CINAHL Plus with Full Text (EBSCO, 1937 to 10 January 2020) | 10/01/2020 | 160 | 31 | 16 | 207 |
| PsycINFO (Ovid, 1806 to January week 1 2020) | 10/01/2020 | 27 | 8 | 3 | 38 |
| LILACS (Bireme, 1982 to 10 January 2020) in English | 10/01/2020 | 38 | 6 | 1 | 45 |
| Conference Proceedings Citation Index ‐ Science (CPCI‐S) on Web of Science (Clarivate Analytics, 1990 to 10 January 2020) | 10/01/2020 | 10 | 0 | 2 | 12 |
| DARE (2015, Issue 1 of 4), in the Cochrane Library | No longer updated since March 2015 | 0 | 0 | 0 | 0 |
| Total | 809 | 240 | 89 | 1138 | |
| After de‐duplication | 606 | 216 | 76 | 898 | |
Exercise‐based cardiac rehabilitation for adults after heart valve surgery: updated search results