Table 2 Distribution of electrocardiographic left ventricular hypertrophy prevalence across characteristics of participants

Overall

1,557 (4.0)

37,250 (96.0)

Sex

< 0.001

 Female

808 (3.4)

23,323 (96.7)

 Male

749 (5.1)

13,927 (94.9)

Age (yr)

< 0.001

 20–49

113 (3.0)

3636 (97.0)

 50–59

267 (3.0)

8702 (97.0)

 60–69

466 (3.8)

11,671 (96.2)

 70–79

469 (4.7)

9497 (95.3)

  ≥ 80

242 (6.1)

3744 (93.9)

Health insurance scheme

0.381

 Universal health coverage

1151 (4.1)

26,814 (95.9)

 Civil servant medical benefit

338 (3.7)

8791 (96.3)

 Social security

55 (4.0)

1336 (96.1)

 Other

13 (4.0)

309 (96.0)

Region

< 0.001

 Northeast

224 (2.8)

7777 (97.2)

 North

470 (4.3)

10,462 (95.7)

 Central

601 (4.6)

12,474 (95.4)

 South

262 (3.9)

6537 (96.2)

Hospital level

< 0.001

 Community hospital

792 (3.3)

23,288 (96.7)

 Provincial hospital

513 (4.7)

10,456 (95.3)

 Regional hospital

252 (6.7)

3506 (93.3)

Type 2 diabetes comorbidity

0.217

 No

1079 (4.1)

25,259 (95.9)

 Yes

478 (3.8)

11,991 (96.2)

Smoking status

< 0.001

 Never

975 (3.7)

25,595 (96.3)

 Ex-smoker

210 (5.3)

3724 (94.7)

 Current smoker

294 (4.7)

6025 (95.4)

Hypertension duration (yr)

< 0.001

 1–9

1037 (3.9)

25,892 (96.2)

 10–19

268 (4.9)

5243 (95.1)

  ≥ 20

25 (7.5)

308 (92.5)

Body mass index (kg/m²)

0.003

  < 30

1284 (4.0)

30,849 (96.0)

  ≥ 30

143 (3.1)

4460 (96.9)

Systolic blood pressure (mmHg)

< 0.001

  < 140

971 (3.6)

26,207 (96.4)

  ≥ 140

584 (5.0)

11,000 (95.0)

Diastolic blood pressure (mmHg)

0.002

  < 90

1336 (3.9)

32,905 (96.1)

  ≥ 90

218 (4.8)

4282 (95.2)