2. Summary of included patients.
| Study ID | Year of studya | Mean age, years (SD) | Mean time on dialysis, months (SD) | % male | % with diabetic kidney disease |
| Akdag 2015 | 2013 | 44.4 (2.6) | 53.9 (35.1) | 42.3 | 28.3 |
| Beduschi 2013 | 2013 | 62.5 (14) | 40.7 (44.6) | 46.8 | 34.2 |
| Boquin 1977 | 1977 | Not reported | Not reported | Not reported | Not reported |
| Chambers 2002 | 2002 | 75.8 (not reported) | Not reported | Not reported | Not reported |
| Daugirdas 1985 | 1985 | Not reported | Not reported | Not reported | Not reported |
| Henrich 1982 | 1982 | 57.2 (24.7) | 31.5 (25.3) | Not reported | 30 |
| Liu 2016 | 2016 | 58 (10.5) | 64.6 (55.4) | 54.4 | 19 |
| MATCH‐NA 2015 | 2012 | 58.8 (9.5) | Not reported | 93.8 | 69 |
| Ogden 1978 | 1978 | Not reported | Not reported | Not reported | Not reported |
| Quereda 1988 | 1988 | 58 (9) | 27 (22) | 25 | 0 |
| Suckling 2013 | 2013 | 60.9 (5.1) | Not reported | 50 | 40 |
| Van Kuijk 1996 | 1996 | 46 (not reported) | 46 (not reported) | 88.9 | 0 |
a year of patient accrual if available, year of study publication otherwise