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Table 1 Characteristics of patients admitted for first-time myocardial infarction

From: Low use of statins for secondary prevention in primary care: a survey in a northern Swedish population

Characteristic Total n = 931 Prior CVD n = 166 (17.8 %) No prior CVD n = 765 (82.2 %) p
Age at admission to hospital, mean (SD) 70.6 (12.2) 78.3 (9.4) 68.9 (12.1) <0.001
Female gender 345 (37.1 %) 71/166 (42.8 %) 274/765 (35.8 %) 0.093
Manual worker 531 (60.5 %) 96/151 (63.6 %) 435/727 (59.8 %) 0.392
Current smoker 198 (21.7 %) 21/159 (13.2 %) 177/755 (23.4 %) 0.004
Systolic blood pressure, mmHg, mean (SD) (67 missing)a 142 (18.4) 143 (18.7) 142 (18.3) 0.517
Diastolic blood pressure, mmHg, mean (SD) (67 missing)a 81 (11.2) 78 (12.5) 82 (10.7) <0.001
Total cholesterol, mmol/L, mean (SD) (44 missing) 5.2 (2.2) 4.9 (1.3) 5.3 (2.4) 0.064
LDL cholesterol, mmol/L, mean (SD) (56 missing) 3.2 (1.1) 3.0 (1.1) 3.3 (1.1) 0.010
ST-elevation myocardial infarction 321 (34.5 %) 36/166 (21.7 %) 285/765 (37.3 %) <0.001
Past medical history     
 Revascularisation (CABG/PCI) 38 (4.1 %) 38/166 (22.9 %) NA -
 Ischaemic stroke or TIA 52 (5.6 %) 52/166 (31.3 %) NA -
Present conditions     
 Angina pectoris, current diagnosis 109 (11.7 %) 109/166 (65.7 %) NA -
 Peripheral artery disease (PAD) 19 (2.0 %) 19/166 (11.4 %) NA -
 Hypertension, current diagnosis 511 (54.9 %) 124/166 (74.7 %) 387/765 (50.6 %) <0.001
 Diabetes, current diagnosis 172 (18.5 %) 49/166 (29.5 %) 123/765 (16.1 %) <0.001
Medication at admission to hospital     
 ACE inhibitor/ARB 292 (31.5 %) 69/165 (41.8 %) 223/763 (29.2 %) <0.002
 Beta-blockers 265 (28.6 %) 89/165 (53.9 %) 176/762 (23.1 %) <0.001
 Calcium channel blockers 207 (22.4 %) 60/164 (36.6 %) 147/762 (19.3 %) <0.001
 Diuretics 248 (26.8 %) 72/165 (43.6 %) 176/762 (23.1 %) <0.001
 Long-acting nitroglycerine 49 (5.3 %) 45/165 (27.3 %) 4/763 (0.5 %) <0.001
 Statins 161 (17.3 %) 57/165 (34.5 %) 104/763 (13.6 %) <0.001
 Acetylsalicylic acid 222 (23.9 %) 112/165 (67.9 %) 110/763 (14.4 %) <0.001
  1. ACE angiotensin-converting-enzyme inhibitor, ARB angiotensin-receptor blocker, CABG coronary artery bypass grafting, CVD cardiovascular disease, a composite of diagnoses including angina pectoris, prior revascularisation, ischaemic stroke/TIA, or PAD (leg artery disease, a stenosing lesion of the carotid or atherosclerotic aneurysm), Current diagnosis of diabetes is type 1 or type 2. LDL low density lipoprotein, PCI percutaneous coronary intervention, TIA transitory ischaemic attack, NA not applicable
  2. aLast representative blood pressure before admission to hospital