“… 14 , 16 , 21 , 25 , 26 , 27 , 29 , 30 , 34 , 35 , 36 , 37 , 38 , 40 , 46 , 47 , 48 Younger cohorts aged 70 to 79 years (9 studies; 607 patients) 13 , 15 , 18 , 30 , 34 , 42 , 43 , 44 , 50 had a median survival of 7 to 41 months, and cohorts 80 years or older (25 studies; 3186 patients) 11 , 12 , 14 , 16 , 17 , 19 , 20 , 21 , 23 , 25 , 26 , 27 , 29 , 30 , 31 , 35 , 36 , 37 , 38 , 39 , 40 , 45 , 46 , 47 , 48 had a median survival of 1 to 37 months despite overlapping ranges of baseline mean eGFR (7-18 and 8-18 mL/min/1.73 m 2 , respectively). Patients who were treated in usual nephrology care settings or who had received an unspecified approach to care (22 studies; 1886 patients) 15 , 16 , 17 , 18 ,…”