Baseline characteristics
| Overall | Setting at index date | ||
| Primary care | Secondary care | ||
| N=3677 | N=3341 | N=336 | |
| n (%) | n (%) | n (%) | |
| Gender | |||
| Male | 1906 (52) | 1720 (51) | 186 (55) |
| Female | 1771 (48) | 1621 (49) | 150 (45) |
| Age (years) | |||
| <45 | 152 (4) | 140 (4) | 12 (4) |
| 45–54 | 411 (11) | 384 (11) | 27 (8) |
| 55–64 | 918 (25) | 849 (25) | 69 (21) |
| 65–74 | 1187 (32) | 1086 (33) | 101 (30) |
| 75–84 | 797 (22) | 694 (21) | 103 (31) |
| 85+ | 212 (6) | 188 (6) | 24 (7) |
| Mean (±SD) | 67±12 | 66±12 | 69±12 |
| Year of index date | |||
| 2010 | 560 (15) | 502 (15) | 58 (17) |
| 2011 | 705 (19) | 626 (19) | 79 (24) |
| 2012 | 703 (19) | 638 (19) | 65 (19) |
| 2013 | 847 (23) | 773 (23) | 74 (22) |
| 2014 | 862 (23) | 802 (24) | 60 (18) |
| Available database history | |||
| 1–<4 years | 969 (26) | 876 (26) | 93 (28) |
| 4–<7 years | 1899 (52) | 1717 (51) | 182 (54) |
| 7–10 years | 809 (22) | 748 (22) | 61 (18) |
| Mean (±SD) | 5.3±2.0 | 5.3±2.0 | 5.1±1.9 |
| Length of database follow-up | |||
| 1–<2 years | 1024 (28) | 948 (28) | 76 (23) |
| 2–<3 years | 869 (24) | 793 (24) | 76 (23) |
| 3–<4 years | 707 (19) | 634 (19) | 73 (22) |
| 4–<5 years | 620 (17) | 552 (17) | 68 (20) |
| 5–6 years | 457 (12) | 414 (12) | 43 (13) |
| Mean (±SD) | 3.1±1.4 | 3.1±1.4 | 3.3±1.4 |
| Medication use | |||
| β-blockers | 1058 (29) | 861 (26) | 197 (59) |
| ACE inhibitors | 789 (21) | 662 (20) | 127 (38) |
| Diabetes | 759 (21) | 658 (20) | 101 (30) |
| Diuretics | 846 (23) | 704 (21) | 142 (42) |
| Statins | 1262 (34) | 1067 (32) | 195 (58) |
| Comorbidities | |||
| Cardiovascular disease | 393 (11) | 295 (9) | 98 (29) |
| Cerebral pathology | 379 (10) | 316 (9) | 63 (19) |
| Recorded cardiovascular risk factors | 1665 (45) | 1503 (45) | 162 (48) |
| History of ACS | |||
| Yes | 293 (8) | 238 (7) | 55 (16) |
| MI | 108 (37) | 85 (36) | 23 (42) |
| ICPC code K75 | 54 (18) | 41 (17) | 13 (24) |
| Time since MI (in years), mean (±SD) | 2.7±2.3 | 2.9±2.3 | 2.0±2.4 |
| Time since MI (in years), median (IQR) | 3.0 (0.1–4.6) | 3.3 (0.2–4.8) | 1.1 (0.1–3.6) |
| Other ACS | 185 (63) | 153 (64) | 32 (58) |
| No history of ACS | 3384 (92) | 3103 (93) | 281 (84) |
ACS, acute coronary syndrome; ICPC, International Classification of Primary Care; MI, myocardial infarction.