Treatment dosing in the large β blocker mortality analyses
| USCP | CIBIS II | MERIT-HF | |
| Proportion of patients reaching target dose in β blocker group (%) | 80 | 43 | 64 |
| Proportion of patients reaching half or more of target dose (%) | – | 67 | 87 |
| Mean dose in β blocker group (mg) | 45 | – | 159 |
| Proportion stopping treatment early (%) | |||
| Placebo | 18 | 15 | 15.3 |
| β blocker | 11 | 15 | 13.9 |