|  | Intensive management strategy (n = 563) | Less-intensive management strategy (n = 561) | ||
---|---|---|---|---|---|
Initial modality of RRT | Number of modality switches | Frequencya | Mortality by day 60b | Frequencya | Mortality by day 60b |
IHD | None | 108 (19.2) | 33 (30.6) | 138 (24.6) | 39 (28.3) |
 | 1 | 18 (3.2) | 16 (88.9) | 8 (1.4) | 7 (87.5) |
 | ≥ 2 | 27 (4.8) | 16 (59.3) | 14 (2.5) | 4 (28.6) |
CRRT/SLED | None | 203 (36.1) | 165 (81.3) | 212 (37.8) | 166 (78.3) |
 | 1 | 136 (24.2) | 33 (24.3) | 127 (22.6) | 40 (31.5) |
 | ≥ 2 | 58 (10.3) | 31 (53.4) | 47 (8.4) | 23 (48.9) |