Outcome in unmatched and matched cohorts
| Entire control cohort (n = 411) | Metoprolol cases (n = 175) | Matched controls (n = 127) | Matched metoprolol cases (n = 127) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| n | % | n | % | n | % | n | % | ||||
| Deaths | |||||||||||
| Secondary to heart failure | 42 | 10 | 7 | 4 | 11 | 9 | 3 | 2 | |||
| Sudden | 59 | 14 | 12 | 7 | 24 | 19 | 11 | 9 | |||
| Embolism | 2 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | |||
| Non-cardiac cause | 9 | 2 | 4 | 2 | 2 | 1 | 3 | 2 | |||
| Unspecified cause | 10 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | |||
| Heart transplants | 54 | 13 | 18 | 10 | 16 | 13 | 12 | 10 | |||
| Mean (SD) follow up (months) | 54 (33) | 50 (29) | 55 (34) | 53 (29) | |||||||