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Table 1 Index event and patient baseline characteristicsa

From: Usage of PCI and long-term cardiovascular risk in post-myocardial infarction patients: a nationwide registry cohort study from Finland

 

Group 1

Group 1 b

Group 2

N of patients

32,909

7034

25,875

Follow-up duration (years)

mean (±sd)

2.48 (1.31)

1.42 (1.34)

1.78 (1.14)

Type of index MI

 STEMI

11,270 (34.25%)

1742 (24.77%)

9528 (36.82%)

 NSTEMI (or unspecified MI)

21,639 (65.75%)

5292 (75.23%)

16,347 (63.18%)

Interventions related to index MI

 No invasive procedure

13,793 (41.91%)

4697 (66.78%)

9096 (35.15%)

 Coronary angiography only

4702 (14.29%)

772 (10.98%)

3930 (15.19%)

 PCI

12,203 (37.08%)

1353 (19.24%)

10,850 (41.93%)

 CABG

2211 (6.72%)

212 (3.01%)

1999 (7.73%)

Age (years)

 mean (±sd)

71.98 (12.97)

78.23 (11.43)

71.27 (12.84)

 range (min; max)

18.52; 102.83

27.85; 102.83

19.50; 103.12

Sex

 Male

19,962 (60.66%)

16,116 (62.28%)

3846 (54.68%)

 Female

12,947 (39.34%)

9759 (37.72%)

3188 (45.32%)

Prior cardiovascular comorbidities

 Atrial fibrillation

4758 (14.46%)

1549 (22.02%)

3657 (14.13%)

 Major bleedings

1879 (5.71%)

635 (9.03%)

1632 (6.31%)

 Ischemic stroke or TIA

2679 (8.14%)

979 (13.92%)

1575 (6.09%)

 Congestive heart failure

6413 (19.49%)

2426 (34.49%)

4798 (18.54%)

 Hypertension

29,942 (90.98%)

6533 (92.88%)

25,339 (97.93%)

 Hyperlipidemia

24,104 (73.24%)

4542 (64.57%)

22,875 (88.41%)

Other prior comorbidities

 Diabetes mellitus

8256 (25.09%)

2304 (32.76%)

6601 (25.51%)

 Chronic renal failure

719 (2.18%)

329 (4.68%)

500 (1.93%)

 Dementia/Alzheimer’s disease

1591 (4.83%)

658 (9.35%)

1207 (4.66%)

 Severe liver disease

98 (0.30%)

37 (0.53%)

84 (0.32%)

 COPD

1224 (3.72%)

415 (5.90%)

917 (3.54%)

 Malignancy

2241 (6.81%)

828 (11.77%)

1647 (6.37%)

Index year

 2009

7885 (23.96%)

1750 (24.88%)

6135 (23.71%)

 2010

8062 (24.50%)

1732 (24.62%)

6330 (24.46%)

 2011

8426 (25.60%)

1760 (25.02%)

6666 (25.76%)

 2012

8536 (25.94%)

1792 (25.48%)

6744 (26.06%)

  1. aPatient characteristics for Group 1 and Group 1b at index date, and for Group 2 at 1-year baseline check. Follow-up duration of all patients
  2. Abbreviations: CABG coronary artery bypass grafting, COPD chronic obstructive pulmonary disease, MI myocardial infarction, NSTEMI non-ST-elevation myocardial infarction, PCI percutaneous coronary intervention, sd standard deviation, STEMI ST-elevation myocardial infarction, TIA transient ischemic attack