SIMA BIMA P SIMA matched BIMA matched P
n = 681 n = 342 n = 342 n = 342
Late mortality 162 (24%) 34 (10%) 0.001 72 (21%) 34 (10%) 0.001
One-year mortality 22 (3%) 3 (1%) 0.06 8 (2%) 3 (1%) 0.22
One-year survival 639 (97%) 326 (99%) 0.06 320 (98%) 326 (99%) 0.22
Five-year mortality 82 (17%) 14 (5%) 0.001 40 (16%) 14 (5%) 0.001
Five-year survival 403 (83%) 256 (95%) 0.001 210 (84%) 256 (95%) 0.001