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Table 1 Demographics of populations from UK Biobank and Health Promotion Center in Korea

From: Different effects of cardiometabolic syndrome on brain age in relation to gender and ethnicity

Variables

Korea

UK

p-value

 

Females ( n  = 2599)

Males ( n  = 2942)

Total ( n  = 5541)

Females ( n  = 5167)

Males ( n  = 4736)

Total ( n  = 9903)

 

Age (years)a

63.2 ± 6.9

64.7 ± 6.5

64.0 ± 6.7

63.4 ± 7.1

63.8 ± 7.4

63.6 ± 7.2

0.007

Hypertension (n, %)b

965 (37.1%)

1402 (47.7%)

2367 (42.7%)

1813 (35.1%)

2208 (46.6%)

4021 (40.6%)

0.1

T2DM (n, %)b

273 (10.5%)

683 (23.2%)

956 (17.3%)

365 (7.1%)

602 (12.7%)

967 (9.8%)

 < 0.001

BMI (kg/m2)a

23.5 ± 2.9

24.5 ± 2.6

24.0 ± 2.8

26.8 ± 5.2

27.7 ± 4.4

27.2 ± 4.9

 < 0.001

Obesity (n, %)

227 (8.7%)

336 (12.4%)

593 (10.7%)

450 (8.7%)

336 (7.1%)

786 (7.9%)

 < 0.001

Underweight (n, %)b

70 (2.7%)

32 (1.1%)

102 (1.8%)

49 (0.9%)

7 (0.1%)

56 (0.6%)

 < 0.001

  1. Propensity score matching was performed to balance the age and gender between the Korean and UK populations, and 9903 out of 17,791 populations in the UK and 5541 out of 5759 populations in Korea were selected for the present study
  2. Abbreviations: BMI, body mass index; T2DM, type2 diabetes mellitus; UK, United Kingdom
  3. aDistribution of age and BMI was compared between the populations of UK and Korea using independent t tests
  4. bDistribution of education level and presence of hypertension, T2DM, obesity, and underweight between the populations of UK and Korea were tested using the chi-squared test