Table 1

Baseline characteristics

Parameter (no. of patients with data available)Total (n = 30 977)Men (n = 23 975)Women (n = 7002)P-valuea
Demographic characteristic
 Age, years (n = 30 977)64.1 (10.5)63.4 (10.5)66.5 (9.9)<0.0001
 Body mass index, kg/m2 (n = 30 949)27.3 (24.8, 30.4)27.3 (24.9, 30.1)27.3 (24.2, 31.1)0.87
Ethnicity (n = 30 977)
 Caucasian20 458 (66.0)15 825 (66.0)4633 (66.2)<0.0001
 South Asian2462 (7.9)1945 (8.1)517 (7.4)
 Chinese2618 (8.5)1999 (8.3)619 (8.8)
 Japanese/Korean1024 (3.3)758 (3.2)266 (3.8)
 Hispanic1352 (4.4)993 (4.1)359 (5.1)
 Black/African301 (1.0)208 (0.9)93 (1.3)
 Unknown2762 (8.9)2247 (9.4)515 (7.4)
Cardiovascular risk factors
 Smoking status (n = 30 972)
 Current3870 (12.5)3368 (14.1)502 (7.2)<0.0001
 Former14 139 (45.7)12 713 (53.0)1426 (20.4)
 Never12 963 (41.9)7890 (32.9)5073 (72.5)
Dyslipidaemiab (n = 30 974)23 179 (74.8)17 940 (74.8)5239 (74.8)0.98
Treated hypertension (n = 30 974)22 023 (71.1)16 525 (68.9)5498 (78.5)<0.0001
Family history of premature CADc (n = 30 970)8833 (28.5)6661 (27.8)2172 (31.0)<0.0001
Diabetesd (n= 30 973)8995 (29.0)6705 (28.0)2290 (32.7)<0.0001
Physical activity (n = 30 972)
 None4916 (15.9)3331 (13.9)1585 (22.6)<0.0001
 Light physical activity most weeks16 056 (51.8)12 161 (50.7)3895 (55.7)
 >20 min physical activity once or twice weekly5167 (16.7)4329 (18.1)838 (12.0)
 >20min physical activity >3 times weekly4833 (15.6)4152 (17.3)681 (9.7)
Medical history
 Time since diagnosis of CAD, years (n = 30 975)5 (2, 9)5 (2, 10)4 (2, 8)<0.0001
 Myocardial infarction (n = 30 976)18 464 (59.6)14 883 (62.1)3581 (51.1)<0.0001
 Coronary angiography performed (n = 30 977)26 320 (85.0)20 747 (86.5)5573 (79.6)<0.0001
 Non-invasive test for myocardial ischaemia (n = 30 969)19 066 (61.6)15 003 (62.6)4063 (58.1)<0.0001
 Evidence for myocardial ischaemia (n = 30 970)5082 (16.4)3851 (16.1)1231 (17.6)0.0025
 Percutaneous coronary intervention (n = 30 975)18 101 (58.4)14 261 (59.5)3840 (54.8)<0.0001
 Coronary artery bypass graft (n = 30 974)7246 (23.4)6023 (25.1)1223 (17.5)<0.0001
 Peripheral arterial disease (n = 30 972)3012 (9.7)2418 (10.1)594 (8.5)<0.0001
 Asthma/COPD (n = 30 975)2276 (7.3)1677 (7.0)599 (8.6)<0.0001
 Hospital admission for heart failure (n = 30 976)1434 (4.6)1072 (4.5)362 (5.2)0.014
 Stroke (n = 30 976)1231 (4.0)936 (3.9)295 (4.2)0.24
 Transient ischaemic attack (n = 30 975)962 (3.1)707 (2.9)255 (3.6)0.0033
Symptomatic status
 Angina (n = 30 977)7007 (22.6)5002 (20.9)2005 (28.6)<0.0001
CCS class (if angina) (n = 7003)
 I1992 (28.4)1483 (29.7)509 (25.4)0.0018
 II3727 (53.2)2634 (52.7)1093 (54.5)
 III1209 (17.3)833 (16.7)376 (18.8)
 IV75 (1.1)49 (1.0)26 (1.3)
Heart failure symptoms (NYHA class) (n = 30 977)
 No heart failure26 242 (84.7)20 497 (85.5)5745 (82.0)<0.0001
 Class II3964 (12.8)2922 (12.2)1042 (14.9)
 Class III771 (2.5)556 (2.3)215 (3.1)
Angiographic findings (n = 26 282)
 No diseased vessel968 (3.7)610 (2.9)358 (6.4)<0.0001
 One-vessel disease10 815 (41.1)8239 (39.8)2576 (46.3)
 Two or more vessel disease14 499 (55.2)11 868 (57.3)2631 (47.3)
Cardiac parameters
 Heart rate (palpation), b.p.m. (n = 30 963)68.3 (10.6)67.9 (10.6)69.6 (10.5)<0.0001
 Heart rate (electrocardiography), b.p.m. (n = 23 034)67.2 (11.4)66.7 (11.4)69.0 (11.5)<0.0001
 Systolic blood pressure, mmHg (n = 30 969)131.0 (16.7)130.4 (16.3)133.3 (17.5)<0.0001
 Diastolic blood pressure, mmHg (n = 30 969)77.3 (10.0)77.3 (9.9)77.0 (10.4)0.0042
 Left ventricular ejection fraction, % (n = 21 283)56.1 (11.0)55.6 (11.1)58.0 (10.6)<0.0001
Electrocardiography rhythm (n = 23 020)
 Sinus rhythm21 888 (95.1)16 974 (94.9)4914 (95.6)0.10
 Atrial fibrillation/flutter772 (3.4)614 (3.4)158 (3.1)
 Paced rhythm360 (1.6)293 (1.6)67 (1.3)
Parameter (no. of patients with data available)Total (n = 30 977)Men (n = 23 975)Women (n = 7002)P-valuea
Demographic characteristic
 Age, years (n = 30 977)64.1 (10.5)63.4 (10.5)66.5 (9.9)<0.0001
 Body mass index, kg/m2 (n = 30 949)27.3 (24.8, 30.4)27.3 (24.9, 30.1)27.3 (24.2, 31.1)0.87
Ethnicity (n = 30 977)
 Caucasian20 458 (66.0)15 825 (66.0)4633 (66.2)<0.0001
 South Asian2462 (7.9)1945 (8.1)517 (7.4)
 Chinese2618 (8.5)1999 (8.3)619 (8.8)
 Japanese/Korean1024 (3.3)758 (3.2)266 (3.8)
 Hispanic1352 (4.4)993 (4.1)359 (5.1)
 Black/African301 (1.0)208 (0.9)93 (1.3)
 Unknown2762 (8.9)2247 (9.4)515 (7.4)
Cardiovascular risk factors
 Smoking status (n = 30 972)
 Current3870 (12.5)3368 (14.1)502 (7.2)<0.0001
 Former14 139 (45.7)12 713 (53.0)1426 (20.4)
 Never12 963 (41.9)7890 (32.9)5073 (72.5)
Dyslipidaemiab (n = 30 974)23 179 (74.8)17 940 (74.8)5239 (74.8)0.98
Treated hypertension (n = 30 974)22 023 (71.1)16 525 (68.9)5498 (78.5)<0.0001
Family history of premature CADc (n = 30 970)8833 (28.5)6661 (27.8)2172 (31.0)<0.0001
Diabetesd (n= 30 973)8995 (29.0)6705 (28.0)2290 (32.7)<0.0001
Physical activity (n = 30 972)
 None4916 (15.9)3331 (13.9)1585 (22.6)<0.0001
 Light physical activity most weeks16 056 (51.8)12 161 (50.7)3895 (55.7)
 >20 min physical activity once or twice weekly5167 (16.7)4329 (18.1)838 (12.0)
 >20min physical activity >3 times weekly4833 (15.6)4152 (17.3)681 (9.7)
Medical history
 Time since diagnosis of CAD, years (n = 30 975)5 (2, 9)5 (2, 10)4 (2, 8)<0.0001
 Myocardial infarction (n = 30 976)18 464 (59.6)14 883 (62.1)3581 (51.1)<0.0001
 Coronary angiography performed (n = 30 977)26 320 (85.0)20 747 (86.5)5573 (79.6)<0.0001
 Non-invasive test for myocardial ischaemia (n = 30 969)19 066 (61.6)15 003 (62.6)4063 (58.1)<0.0001
 Evidence for myocardial ischaemia (n = 30 970)5082 (16.4)3851 (16.1)1231 (17.6)0.0025
 Percutaneous coronary intervention (n = 30 975)18 101 (58.4)14 261 (59.5)3840 (54.8)<0.0001
 Coronary artery bypass graft (n = 30 974)7246 (23.4)6023 (25.1)1223 (17.5)<0.0001
 Peripheral arterial disease (n = 30 972)3012 (9.7)2418 (10.1)594 (8.5)<0.0001
 Asthma/COPD (n = 30 975)2276 (7.3)1677 (7.0)599 (8.6)<0.0001
 Hospital admission for heart failure (n = 30 976)1434 (4.6)1072 (4.5)362 (5.2)0.014
 Stroke (n = 30 976)1231 (4.0)936 (3.9)295 (4.2)0.24
 Transient ischaemic attack (n = 30 975)962 (3.1)707 (2.9)255 (3.6)0.0033
Symptomatic status
 Angina (n = 30 977)7007 (22.6)5002 (20.9)2005 (28.6)<0.0001
CCS class (if angina) (n = 7003)
 I1992 (28.4)1483 (29.7)509 (25.4)0.0018
 II3727 (53.2)2634 (52.7)1093 (54.5)
 III1209 (17.3)833 (16.7)376 (18.8)
 IV75 (1.1)49 (1.0)26 (1.3)
Heart failure symptoms (NYHA class) (n = 30 977)
 No heart failure26 242 (84.7)20 497 (85.5)5745 (82.0)<0.0001
 Class II3964 (12.8)2922 (12.2)1042 (14.9)
 Class III771 (2.5)556 (2.3)215 (3.1)
Angiographic findings (n = 26 282)
 No diseased vessel968 (3.7)610 (2.9)358 (6.4)<0.0001
 One-vessel disease10 815 (41.1)8239 (39.8)2576 (46.3)
 Two or more vessel disease14 499 (55.2)11 868 (57.3)2631 (47.3)
Cardiac parameters
 Heart rate (palpation), b.p.m. (n = 30 963)68.3 (10.6)67.9 (10.6)69.6 (10.5)<0.0001
 Heart rate (electrocardiography), b.p.m. (n = 23 034)67.2 (11.4)66.7 (11.4)69.0 (11.5)<0.0001
 Systolic blood pressure, mmHg (n = 30 969)131.0 (16.7)130.4 (16.3)133.3 (17.5)<0.0001
 Diastolic blood pressure, mmHg (n = 30 969)77.3 (10.0)77.3 (9.9)77.0 (10.4)0.0042
 Left ventricular ejection fraction, % (n = 21 283)56.1 (11.0)55.6 (11.1)58.0 (10.6)<0.0001
Electrocardiography rhythm (n = 23 020)
 Sinus rhythm21 888 (95.1)16 974 (94.9)4914 (95.6)0.10
 Atrial fibrillation/flutter772 (3.4)614 (3.4)158 (3.1)
 Paced rhythm360 (1.6)293 (1.6)67 (1.3)

CCS, Canadian Cardiovascular Society; COPD, chronic obstructive pulmonary disease; NYHA, New York Heart Association.

Values are numbers (percentages), means (SD), or medians [Q1, Q3].

aMen vs. women.

bDefined as a history of documented total cholesterol >2 g/L (5.18 mmol/L) or high-density lipoprotein cholesterol <0.4 g/L or <1 mmol/L.

cDefined as myocardial infarction, sudden death, or stable angina at age <55 years (men) and <65 years (women) in a first-degree relative.

dRefers to a history of diabetes or current diabetes (diagnosed by two fasting blood glucose measures >7 mmol/L or 126 mg/L, or abnormal oral glucose tolerance test) treated or not.

Table 1

Baseline characteristics

Parameter (no. of patients with data available)Total (n = 30 977)Men (n = 23 975)Women (n = 7002)P-valuea
Demographic characteristic
 Age, years (n = 30 977)64.1 (10.5)63.4 (10.5)66.5 (9.9)<0.0001
 Body mass index, kg/m2 (n = 30 949)27.3 (24.8, 30.4)27.3 (24.9, 30.1)27.3 (24.2, 31.1)0.87
Ethnicity (n = 30 977)
 Caucasian20 458 (66.0)15 825 (66.0)4633 (66.2)<0.0001
 South Asian2462 (7.9)1945 (8.1)517 (7.4)
 Chinese2618 (8.5)1999 (8.3)619 (8.8)
 Japanese/Korean1024 (3.3)758 (3.2)266 (3.8)
 Hispanic1352 (4.4)993 (4.1)359 (5.1)
 Black/African301 (1.0)208 (0.9)93 (1.3)
 Unknown2762 (8.9)2247 (9.4)515 (7.4)
Cardiovascular risk factors
 Smoking status (n = 30 972)
 Current3870 (12.5)3368 (14.1)502 (7.2)<0.0001
 Former14 139 (45.7)12 713 (53.0)1426 (20.4)
 Never12 963 (41.9)7890 (32.9)5073 (72.5)
Dyslipidaemiab (n = 30 974)23 179 (74.8)17 940 (74.8)5239 (74.8)0.98
Treated hypertension (n = 30 974)22 023 (71.1)16 525 (68.9)5498 (78.5)<0.0001
Family history of premature CADc (n = 30 970)8833 (28.5)6661 (27.8)2172 (31.0)<0.0001
Diabetesd (n= 30 973)8995 (29.0)6705 (28.0)2290 (32.7)<0.0001
Physical activity (n = 30 972)
 None4916 (15.9)3331 (13.9)1585 (22.6)<0.0001
 Light physical activity most weeks16 056 (51.8)12 161 (50.7)3895 (55.7)
 >20 min physical activity once or twice weekly5167 (16.7)4329 (18.1)838 (12.0)
 >20min physical activity >3 times weekly4833 (15.6)4152 (17.3)681 (9.7)
Medical history
 Time since diagnosis of CAD, years (n = 30 975)5 (2, 9)5 (2, 10)4 (2, 8)<0.0001
 Myocardial infarction (n = 30 976)18 464 (59.6)14 883 (62.1)3581 (51.1)<0.0001
 Coronary angiography performed (n = 30 977)26 320 (85.0)20 747 (86.5)5573 (79.6)<0.0001
 Non-invasive test for myocardial ischaemia (n = 30 969)19 066 (61.6)15 003 (62.6)4063 (58.1)<0.0001
 Evidence for myocardial ischaemia (n = 30 970)5082 (16.4)3851 (16.1)1231 (17.6)0.0025
 Percutaneous coronary intervention (n = 30 975)18 101 (58.4)14 261 (59.5)3840 (54.8)<0.0001
 Coronary artery bypass graft (n = 30 974)7246 (23.4)6023 (25.1)1223 (17.5)<0.0001
 Peripheral arterial disease (n = 30 972)3012 (9.7)2418 (10.1)594 (8.5)<0.0001
 Asthma/COPD (n = 30 975)2276 (7.3)1677 (7.0)599 (8.6)<0.0001
 Hospital admission for heart failure (n = 30 976)1434 (4.6)1072 (4.5)362 (5.2)0.014
 Stroke (n = 30 976)1231 (4.0)936 (3.9)295 (4.2)0.24
 Transient ischaemic attack (n = 30 975)962 (3.1)707 (2.9)255 (3.6)0.0033
Symptomatic status
 Angina (n = 30 977)7007 (22.6)5002 (20.9)2005 (28.6)<0.0001
CCS class (if angina) (n = 7003)
 I1992 (28.4)1483 (29.7)509 (25.4)0.0018
 II3727 (53.2)2634 (52.7)1093 (54.5)
 III1209 (17.3)833 (16.7)376 (18.8)
 IV75 (1.1)49 (1.0)26 (1.3)
Heart failure symptoms (NYHA class) (n = 30 977)
 No heart failure26 242 (84.7)20 497 (85.5)5745 (82.0)<0.0001
 Class II3964 (12.8)2922 (12.2)1042 (14.9)
 Class III771 (2.5)556 (2.3)215 (3.1)
Angiographic findings (n = 26 282)
 No diseased vessel968 (3.7)610 (2.9)358 (6.4)<0.0001
 One-vessel disease10 815 (41.1)8239 (39.8)2576 (46.3)
 Two or more vessel disease14 499 (55.2)11 868 (57.3)2631 (47.3)
Cardiac parameters
 Heart rate (palpation), b.p.m. (n = 30 963)68.3 (10.6)67.9 (10.6)69.6 (10.5)<0.0001
 Heart rate (electrocardiography), b.p.m. (n = 23 034)67.2 (11.4)66.7 (11.4)69.0 (11.5)<0.0001
 Systolic blood pressure, mmHg (n = 30 969)131.0 (16.7)130.4 (16.3)133.3 (17.5)<0.0001
 Diastolic blood pressure, mmHg (n = 30 969)77.3 (10.0)77.3 (9.9)77.0 (10.4)0.0042
 Left ventricular ejection fraction, % (n = 21 283)56.1 (11.0)55.6 (11.1)58.0 (10.6)<0.0001
Electrocardiography rhythm (n = 23 020)
 Sinus rhythm21 888 (95.1)16 974 (94.9)4914 (95.6)0.10
 Atrial fibrillation/flutter772 (3.4)614 (3.4)158 (3.1)
 Paced rhythm360 (1.6)293 (1.6)67 (1.3)
Parameter (no. of patients with data available)Total (n = 30 977)Men (n = 23 975)Women (n = 7002)P-valuea
Demographic characteristic
 Age, years (n = 30 977)64.1 (10.5)63.4 (10.5)66.5 (9.9)<0.0001
 Body mass index, kg/m2 (n = 30 949)27.3 (24.8, 30.4)27.3 (24.9, 30.1)27.3 (24.2, 31.1)0.87
Ethnicity (n = 30 977)
 Caucasian20 458 (66.0)15 825 (66.0)4633 (66.2)<0.0001
 South Asian2462 (7.9)1945 (8.1)517 (7.4)
 Chinese2618 (8.5)1999 (8.3)619 (8.8)
 Japanese/Korean1024 (3.3)758 (3.2)266 (3.8)
 Hispanic1352 (4.4)993 (4.1)359 (5.1)
 Black/African301 (1.0)208 (0.9)93 (1.3)
 Unknown2762 (8.9)2247 (9.4)515 (7.4)
Cardiovascular risk factors
 Smoking status (n = 30 972)
 Current3870 (12.5)3368 (14.1)502 (7.2)<0.0001
 Former14 139 (45.7)12 713 (53.0)1426 (20.4)
 Never12 963 (41.9)7890 (32.9)5073 (72.5)
Dyslipidaemiab (n = 30 974)23 179 (74.8)17 940 (74.8)5239 (74.8)0.98
Treated hypertension (n = 30 974)22 023 (71.1)16 525 (68.9)5498 (78.5)<0.0001
Family history of premature CADc (n = 30 970)8833 (28.5)6661 (27.8)2172 (31.0)<0.0001
Diabetesd (n= 30 973)8995 (29.0)6705 (28.0)2290 (32.7)<0.0001
Physical activity (n = 30 972)
 None4916 (15.9)3331 (13.9)1585 (22.6)<0.0001
 Light physical activity most weeks16 056 (51.8)12 161 (50.7)3895 (55.7)
 >20 min physical activity once or twice weekly5167 (16.7)4329 (18.1)838 (12.0)
 >20min physical activity >3 times weekly4833 (15.6)4152 (17.3)681 (9.7)
Medical history
 Time since diagnosis of CAD, years (n = 30 975)5 (2, 9)5 (2, 10)4 (2, 8)<0.0001
 Myocardial infarction (n = 30 976)18 464 (59.6)14 883 (62.1)3581 (51.1)<0.0001
 Coronary angiography performed (n = 30 977)26 320 (85.0)20 747 (86.5)5573 (79.6)<0.0001
 Non-invasive test for myocardial ischaemia (n = 30 969)19 066 (61.6)15 003 (62.6)4063 (58.1)<0.0001
 Evidence for myocardial ischaemia (n = 30 970)5082 (16.4)3851 (16.1)1231 (17.6)0.0025
 Percutaneous coronary intervention (n = 30 975)18 101 (58.4)14 261 (59.5)3840 (54.8)<0.0001
 Coronary artery bypass graft (n = 30 974)7246 (23.4)6023 (25.1)1223 (17.5)<0.0001
 Peripheral arterial disease (n = 30 972)3012 (9.7)2418 (10.1)594 (8.5)<0.0001
 Asthma/COPD (n = 30 975)2276 (7.3)1677 (7.0)599 (8.6)<0.0001
 Hospital admission for heart failure (n = 30 976)1434 (4.6)1072 (4.5)362 (5.2)0.014
 Stroke (n = 30 976)1231 (4.0)936 (3.9)295 (4.2)0.24
 Transient ischaemic attack (n = 30 975)962 (3.1)707 (2.9)255 (3.6)0.0033
Symptomatic status
 Angina (n = 30 977)7007 (22.6)5002 (20.9)2005 (28.6)<0.0001
CCS class (if angina) (n = 7003)
 I1992 (28.4)1483 (29.7)509 (25.4)0.0018
 II3727 (53.2)2634 (52.7)1093 (54.5)
 III1209 (17.3)833 (16.7)376 (18.8)
 IV75 (1.1)49 (1.0)26 (1.3)
Heart failure symptoms (NYHA class) (n = 30 977)
 No heart failure26 242 (84.7)20 497 (85.5)5745 (82.0)<0.0001
 Class II3964 (12.8)2922 (12.2)1042 (14.9)
 Class III771 (2.5)556 (2.3)215 (3.1)
Angiographic findings (n = 26 282)
 No diseased vessel968 (3.7)610 (2.9)358 (6.4)<0.0001
 One-vessel disease10 815 (41.1)8239 (39.8)2576 (46.3)
 Two or more vessel disease14 499 (55.2)11 868 (57.3)2631 (47.3)
Cardiac parameters
 Heart rate (palpation), b.p.m. (n = 30 963)68.3 (10.6)67.9 (10.6)69.6 (10.5)<0.0001
 Heart rate (electrocardiography), b.p.m. (n = 23 034)67.2 (11.4)66.7 (11.4)69.0 (11.5)<0.0001
 Systolic blood pressure, mmHg (n = 30 969)131.0 (16.7)130.4 (16.3)133.3 (17.5)<0.0001
 Diastolic blood pressure, mmHg (n = 30 969)77.3 (10.0)77.3 (9.9)77.0 (10.4)0.0042
 Left ventricular ejection fraction, % (n = 21 283)56.1 (11.0)55.6 (11.1)58.0 (10.6)<0.0001
Electrocardiography rhythm (n = 23 020)
 Sinus rhythm21 888 (95.1)16 974 (94.9)4914 (95.6)0.10
 Atrial fibrillation/flutter772 (3.4)614 (3.4)158 (3.1)
 Paced rhythm360 (1.6)293 (1.6)67 (1.3)

CCS, Canadian Cardiovascular Society; COPD, chronic obstructive pulmonary disease; NYHA, New York Heart Association.

Values are numbers (percentages), means (SD), or medians [Q1, Q3].

aMen vs. women.

bDefined as a history of documented total cholesterol >2 g/L (5.18 mmol/L) or high-density lipoprotein cholesterol <0.4 g/L or <1 mmol/L.

cDefined as myocardial infarction, sudden death, or stable angina at age <55 years (men) and <65 years (women) in a first-degree relative.

dRefers to a history of diabetes or current diabetes (diagnosed by two fasting blood glucose measures >7 mmol/L or 126 mg/L, or abnormal oral glucose tolerance test) treated or not.

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