Skip to main content

Table 1 Descriptive statistics on the number of insured individuals, exposures in person-years, and events by type of transition, sex, income group, and period

From: Widening or narrowing income inequalities in myocardial infarction? Time trends in life years free of myocardial infarction and after incidence

 

Men

Women

Low

Higher

Total

Low

Higher

Total

Period 1: 2006–2008

MI incidence

N

159,464

126,681

286,145

342,983

101,232

444,215

Exposures

431,720

342,316

774,036

948,054

274,743

1,222,797

Events

5069

3445

8514

6800

1703

8503

Rate1)

11.74

10.06

10.99

7.17

6.20

6.95

Death without MI

N

159,464

126,681

286,145

342,983

101,232

444,215

Exposures

431,722

342,320

774,041

948,057

274,743

1,222,800

Events

20,276

12,202

32,478

39,125

8829

47,954

Rate1)

46.97

35.65

41.96

41.27

32.14

39.22

Death after MI

N

5150

3500

8650

6828

1722

8550

Exposures

5308

3619

8927

6525

1647

8172

Events

1844

1148

2992

2821

676

3497

Rate1)

347.40

317.21

335.16

432.33

410.44

409.01

Period 2: 2015–2017

MI incidence

N

199,895

132,857

332,752

339,396

111,501

450,897

Exposures

537,024

355,987

893,011

929,177

301,173

1,230,350

Events

6514

3334

9848

6422

1750

8172

Rate1)

12.13

9.36

11.03

6.91

5.81

6.64

Death without MI

N

199,895

132,857

332,752

339,396

111,501

450,897

Exposures

537,030

355,998

893,028

929,183

301,176

1,230,358

Events

27,432

11,680

39,112

40,017

10,419

50,436

Rate1)

51.08

32.81

43.80

43.07

34.60

41.00

Death after MI

N

6635

3431

10,066

6468

1769

8237

Exposures

7328

3629

10,958

6803

1836

8640

Events

2257

1001

3258

2390

634

3024

Rate1)

308.00

275.83

297.32

351.32

345.32

350.00

  1. 1Crude rate per 1000 person-years of exposure