Baseline characteristics
| Compliant n=161 | Non-compliant n=406 | P values | |
| Age | 78±9 | 80±9 | 0.019 |
| NT-pro-BNP (pg/mL) | 3108±4526 | 2271±3637 | <0.0001 |
| Male | 78 (48%) | 194 (48%) | 0.926 |
| NT-pro-BNP >2000 pg/mL | 68 (42%) | 118 (29%) | 0.003 |
| Haemoglobin (g/dL) | 12.8±20 | 12.5±18 | 0.151 |
| Creatinine (µmol/L) | 102±54 | 107±65 | 0.418 |