Table 1.
Characteristics of the study population
| Clinical features | Men (N = 2743) | Women (N = 3646) | P value* |
|---|---|---|---|
| Age, years | 68.0 (7.78) | 69.2 (8.58) | < 0.001 |
| BMI, kg/m2 | 26.5 (3.27) | 27.3 (4.39) | < 0.001 |
| Systolic blood pressure, mmHg | 142 (20.8) | 143 (21.5) | 0.350 |
| Hear rate, bpm | 69.4 (11.9) | 71.7 (10.9) | 0.032 |
| Total cholesterol, mmol/l | 5.54 (0.95) | 6.01 (0.95) | < 0.001 |
| HDL, mmol/l | 1.24 (0.32) | 1.50 (0.40) | < 0.001 |
| Antihypertensive use, N (%) | 856 (32.7) | 1220 (35.3) | < 0.001 |
| Lipid lowering medication, N (%) | 364 (13.8) | 420 (12.0) | < 0.001 |
| Creatinine, mmol/l† | 89.0 (18.2) | 70.8 (13.5) | < 0.001 |
| Glucose, mmol/l | 6.09 (1.70) | 5.87 (1.47) | < 0.001 |
| LVH, N (%) | 176 (7.30) | 119 (3.80) | 0.034 |
| NT-proBNP, pmol/l† | 8.19 (13.4) | 10.8 (13.2) | < 0.001 |
| Prevalent CHD, N (%) | 370 (13.8) | 118 (3.30) | < 0.001 |
| Prevalent diabetes, N (%) | 403 (14.7) | 423 (11.6) | 0.009 |
| Smoking, N (%) | < 0.001 | ||
| Current | 652 (25.3) | 614 (17.2) | – |
| Past | 1604 (62.2) | 1315 (36.8) | – |
| Never | 322 (12.5) | 1648 (46.1) | – |
Data are mean (standard deviation (SD)) for continuous variables, †median (interquartile range (IQR)) for skewed variables, and number (percentage) for categorical variables from the original data
Proportion of missing: Among men: SBP: 0.18%, heart rate: 0.55%, total cholesterol, BMI and glucose: each 0.9%, HDL: 1.7%, creatinine: 1.6%, NT-proBNP: 1.6%, antihypertensive use: 2%, smoking: 2.7%, LVH: 2.9%
Among women: SBP: 0.86%, heart rate: 1.43%, total cholesterol, glucose: 1.6%, antihypertensive use: 1.8%, smoking: 1.9%, BMI: 2.1%, creatinine: 1.8%, NT-proBNP: 2%, HDL: 2.6%, LVH: 2.6%
BMI body mass index, CHD coronary heart disease, HDL high-density lipoprotein, LVH left ventricular hypertrophy
*P value for differences in characteristics between men and women