Skip to main content
. 2021 Jun 10;11:12291. doi: 10.1038/s41598-021-91923-8

Table 1.

Baseline characteristics of patients based on dementia status at the end of follow-up.

Variables Overall (n = 428,976) No dementia (n = 419,541) Dementia (n = 9,435) p value
Age, years 55.5 ± 8.9 55.2 ± 8.7 68.4 ± 7.0 < 0.001
Male 233,380 (54.4) 229,557 (54.7) 3823 (40.5) < 0.001
Systolic blood pressure, mmHg 125.8 ± 16.6 125.7 ± 16.6 131.1 ± 18.4 < 0.001
Diastolic blood pressure, mmHg 78.4 ± 10.7 78.4 ± 10.7 79.3 ± 11.0 < 0.001
Hypertension diagnosis at baseline 126,525 (29.0) 121,369 (29.0) 5156 (55.0) < 0.001
Hypertension duration at baseline, months 3.1 ± 1.7 3.1 ± 1.7 3.2 ± 1.6 0.001
High tertile of income 237,043 (54.7) 232,311 (55.4) 4732 (50.2) < 0.001
Body mass index, kg/m2 24.0 ± 2.9 24.0 ± 2.9 23.6 ± 3.1 < 0.001
Alcohol consumption, times/week < 0.001
< 1 288,206 (73.3) 280,998 (73.1) 7208 (81.9)
1–2 64,669 (16.4) 63,952 (16.6) 717 (8.1)
3–4 25,523 (6.5) 25,131 (6.5) 392 (4.5)
≥ 5 15,030 (3.8) 14,545 (3.8) 485 (5.5)
Missing values 35,548 34,195 633
Smoking < 0.001
Never 290,814 (71.6) 283,677 (71.4) 7137 (80.2)
Ex 37,707 (9.3) 37,126 (9.3) 581 (6.5)
Current 77,524 (19.1) 76,348 (19.2) 1176 (13.2)
Missing values 22,931 22,390 541
Physical activity, times/week < 0.001
0–2 300,056 (76.8) 293,085 (76.8) 6971 (80.1)
3–4 48,643 (12.5) 48,047 (12.6) 596 (6.8)
≥ 5 41,842 (10.7) 40,707 (10.7) 1135 (13.0)
Missing values 38,435 37,702 733
Hypothyroidism 10,739 (2.5) 10,452 (2.5) 287 (3.0) < 0.001
Hyperthyroidism 10,670 (2.5) 10,354 (2.5) 316 (3.3) < 0.001
Major bleeding 4017 (0.9) 3838 (0.9) 179 (1.9) < 0.001
Atrial fibrillation 3754 (0.9) 3552 (0.8) 202 (2.1) < 0.001
Heart failure 12,300 (2.9) 11,438 (2.7) 862 (9.1) < 0.001
Diabetes mellitus 33,025 (7.7) 31,394 (7.5) 1631 (17.3) < 0.001
Dyslipidemia 100,786 (23.5) 97,654 (23.3) 3132 (33.2) < 0.001
Myocardial infarction 4043 (0.9) 3845 (0.9) 198 (2.1) < 0.001
Peripheral artery disease 7672 (1.8) 7357 (1.8) 315 (3.3) < 0.001
Chronic kidney disease 2957 (0.7) 2847 (0.7) 110 (1.2) < 0.001
COPD 39,440 (9.2) 37,321 (8.9) 2119 (22.5) < 0.001
Liver disease 88,432 (20.6) 85,962 (20.5) 2470 (26.2) < 0.001
Malignant neoplasm 28,304 (6.6) 27,269 (6.5) 1035 (11.0) < 0.001
Medication at baseline
Aspirin 49,560 (11.6) 47,406 (11.3) 2154 (22.8) < 0.001
Statin 40,145 (9.4) 38,831 (9.3) 1314 (13.9) < 0.001
Oral anticoagulant 1255 (0.3) 1190 (0.3) 65 (0.7) < 0.001
ß-blocker 50,899 (11.9) 48,761 (11.6) 2138 (22.7) < 0.001
RAAS blocker 52,025 (12.1) 49,927 (11.9) 2098 (22.2) < 0.001
Calcium channel blocker 66,124 (15.4) 63,389 (15.1) 2735 (29.0)  < 0.001
Diuretics 60,560 (14.1) 57,741 (13.8) 2819 (29.9) < 0.001
Alpha blocker 14,808 (3.5) 14,180 (3.4) 628 (6.7) < 0.001

Values are presented as mean ± standard deviation or n (%).

COPD chronic obstructive pulmonary disease, RAAS renin–angiotensin–aldosterone system.