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Table 2 Subgroup analyses according to hypertension burden group of 4

From: Accumulated hypertension burden on atrial fibrillation risk in diabetes mellitus: a nationwide population study

Subgroup

HTN burden

Number

AF

Event

IR per 1000 PY

Adjusted HR*

p for interaction

Age

  < 65

0

34,889

565

2.38

1 (Reference)

0.116

1′

166,256

3336

2.94

1.13 (1.03–1.23)

 

2′

96,778

2509

3.80

1.34 (1.22–1.48)

 

3′

16,778

494

4.33

1.54 (1.35–1.75)

 

  ≥ 65

0

14,923

706

7.42

1 (Reference)

 

1′

94,682

5096

8.43

1.08 (0.99–1.17)

 

2′

76,478

4751

9.74

1.20 (1.11–1.31)

 

3′

14,183

1038

11.53

1.39 (1.25–1.54)

 

Sex

 Male

0

26,098

795

4.62

1 (Reference)

0.223

1′

156,937

5319

5.13

1.07 (0.99–1.15)

 

2′

104,696

4501

6.55

1.22 (1.13–1.32)

 

3′

19,031

912

7.33

1.36 (1.23–1.51)

 

 Female

0

23,714

476

2.96

1 (Reference)

 

1′

104,001

3113

4.44

1.16 (1.05–1.28)

 

2′

68,560

2759

5.99

1.33 (1.19–1.47)

 

3′

11,930

620

7.78

1.60 (1.41–1.82)

 

CKD

 No

0

45,003

1080

3.59

1 (Reference)

0.099

1′

229,093

6663

4.35

1.07 (1.00- 1.14)

 

2′

147,161

5585

5.69

1.23 (1.15–1.32)

 

3′

25,805

1139

6.63

1.41 (1.29–1.55)

 

 Yes

0

4809

191

6.04

1 (Reference)

 

1′

31,845

1769

8.58

1.29 (1.11–1.50)

 

2′

26,095

1675

10.07

1.42 (1.22–1.65)

 

3′

5156

393

12.16

1.66 (1.39–1.98)

 

Prior MI or stroke

 No

0

47,243

1151

3.64

1 (Reference)

0.799

1′

244,447

7510

4.60

1.10 (1.03–1.17)

 

2′

160,328

6408

6.01

1.26 (1.17–1.35)

 

3′

28,568

1355

7.16

1.46 (1.33–1.60)

 

 Yes

0

2569

120

7.39

1 (Reference)

 

1′

16,491

922

8.80

1.13 (0.93–1.37)

 

2′

12,928

852

10.45

1.27 (1.04–1.54)

 

3′

2393

177

11.73

1.38 (1.09–1.75)

 

Insulin usage

 No

0

42,828

1035

3.60

1 (Reference)

0.573

1′

229,158

6941

4.53

1.08 (1.01–1.16)

 

2′

153,770

6109

5.96

1.25 (1.16–1.34)

 

3′

27,697

1298

7.06

1.44 (1.31–1.58)

 

 Yes

0

6984

236

5.16

1 (Reference)

 

1′

31,780

1491

7.25

1.19 (1.04–1.36)

 

2′

19,486

1151

9.29

1.31 (1.14–1.52)

 

3′

3264

234

11.43

1.51 (1.25–1.82)

 

Oral anti-diabetic medication ≥ 3

 No

0

36,672

924

3.78

1 (Reference)

0.422

1′

194,051

6048

4.68

1.08 (1.00–1.15)

 

2′

132,145

5417

6.19

1.25 (1.16–1.34)

 

3′

24,458

1178

7.30

1.44 (1.30–1.58)

 

 Yes

0

13,140

347

3.93

1 (Reference)

 

1′

66,887

2384

5.33

1.17 (1.04–1.31)

 

2′

41,111

1843

6.73

1.29 (1.15–1.45)

 

3′

6503

354

8.27

1.48 (1.27–1.73)

 

Thiazolidinediones

 No

0

43,627

1125

3.88

1 (Reference)

0.300

1′

231,529

7430

4.84

1.09(1.02 1.16)

 

2′

155,954

6544

6.36

1.25 (1.17–1.34)

 

3′

28,323

1392

7.47

1.44(1.31–1.58

 

 Yes

0

6185

146

3.39

1 (Reference)

 

1′

29,409

1002

4.94

1.22 (1.02–1.45)

 

2′

17,302

716

6.04

1.28 (1.07–1.54)

 

3′

2638

140

7.87

1.54 (1.22–1.95)

 

Dipeptidyl peptidase-4 inhibitors

 No

0

41,899

1112

3.92

1 (Reference)

0.652

1′

225,592

7488

4.92

1.09 (1.02–1.17)

 

2′

154,525

6634

6.42

1.26 (1.17–1.35)

 

3′

28,237

1421

7.57

1.45 (1.32–1.59)

 

 Yes

0

7913

159

3.25

1 (Reference)

 

1′

35,346

944

4.35

1.16 (0.98–1.37)

 

2′

18,731

626

5.48

1.25 (1.05–1.49)

 

3′

2724

111

6.75

1.44 (1.13–1.85)

 

DM duration ≥ 5 years

 No

0

17,283

362

3.15

1 (Reference)

0.057

1′

101,438

2599

3.86

1.04 (0.93–1.16)

 

2′

71,014

2449

5.19

1.21 (1.08–1.35)

 

3′

13,879

505

5.48

1.26 (1.10–1.46)

 

 Yes

0

32,529

909

4.17

1 (Reference)

 

1′

159,500

5833

5.48

1.13 (1.05–1.21)

 

2′

102,242

4811

7.11

1.28 (1.18–1.38)

 

3′

17,082

1027

9.17

1.55 (1.40–1.71)

 

Anti-hypertensive medication

 No

0

36,331

758

3.09

1 (Reference)

0.950

1′

132,152

3156

3.53

1.05 (0.97–1.14)

 

2′

47,629

1368

4.24

1.15 (1.05–1.26)

 

3′

5701

172

4.47

1.27 (1.07–1.51)

 

 Yes

0

13,481

513

5.85

1 (Reference)

 

1′

128,786

5276

6.26

1.06 (0.97–1.16)

 

2′

125,627

5892

7.14

1.17 (1.06–1.29)

 

3′

25,260

1360

8.20

1.33 (1.19–1.49)

 

ACEi/ARB

 No

0

37,079

799

3.20

1 (Reference)

0.807

1′

151,812

4009

3.91

1.08 (1.00–1.17)

 

2′

72,916

2567

5.21

1.24 (1.14–1.35)

 

3′

11,043

447

5.98

1.40 (1.23–1.58)

 

 Yes

0

12,733

472

5.70

1 (Reference)

 

1′

109,126

4423

6.21

1.08 (0.98–1.19)

 

2’

100,340

4693

7.16

1.21 (1.09–1.33)

 

3′

19,918

1085

8.38

1.39 (1.24–1.56)

 
  1. ACEi Angiotensin-converting enzyme inhibitors, ARB Angiotensin II Receptor Blockers, AF atrial fibrillation, CKD chronic kidney disease, DM diabetes mellitus, HR hazard ratio, HTN hypertension, IR incidence rate, MI myocardial infarction, PY person-year
  2. *Adjusted HR: Model 5 (adjustment of age, sex, CKD, dyslipidemia, heart failure, prior MI, prior stroke, smoking, alcohol, regular exercise, low income, DM duration over 5 years, insulin usage, more than 3 oral antidiabetic medications, SBP, fasting glucose, total cholesterol, and BMI at latest (index) health examination)