Table 1

Baseline characteristics of 81 191 consecutive patients with MI with and without COPD in Sweden between 2005 and 2010

Non-COPDCOPDp Value
Number of patients76 324 (94.0)4867 (6.0)
Age70±1375±9<0.001
Female gender27 466 (36.0)2239 (46.0)<0.001
Body mass index (n=55 516)26.7±4.725.4±5.4<0.001
Smoking status (n=80 879)<0.001
 Current smoker16 522 (21.7)1596 (32.9)
 Ex–smoker20 791 (27.3)2222 (45.9)
 Never smoked31 850 (41.9)681 (14.1)
 Unknown6872 (9.0)345 (7.1)
Comorbidities
 Previous MI5990 (7.8)665 (13.7)<0.001
 Previous stroke6904 (9.0)650 (13.4)<0.001
 Heart failure4836 (6.3)983 (20.2)<0.001
 Renal failure1478 (1.9)231 (4.7)<0.001
 Hypertension14 848 (19.5)1537 (31.6)<0.001
 Diabetes14 613 (19.1)999 (20.5)0.018
 Peripheral artery disease3121 (4.1)498 (10.2)<0.001
 Cancer1638 (2.1)258 (5.3)<0.001
 Previous bleeding3541 (4.6)428 (8.8)<0.001
 Prior CABG2625 (3.4)208 (4.3)0.002
 Prior PCI1548 (2.0)127 (2.6)0.006
Prior medication before MI
 ACE inhibitor12 216 (16.0)967 (19.9)<0.001
 Angiotensin II receptor blocker7894 (10.5)580 (12.1)<0.001
 Aspirin23 023 (30.2)1913 (39.3)<0.001
 Clopidogrel2603 (3.4)217 (4.5)<0.001
 β-blocker23 315 (30.6)1544 (31.7)0.161
 Calcium channel blocker11 615 (15.2)878 (18.0)<0.001
 Digitalis1918 (2.5)290 (6.0)<0.001
 Diuretic17 170 (22.5)1910 (39.2)<0.001
 Statin14 452 (18.9)1069 (22.0)<0.001
 Nitrate6331 (8.3)630 (12.9)<0.001
 Warfarin2816 (3.7)275 (5.7)<0.001
  • The mean and SD are presented for continuous variables and count and percentage for categorical variables.

  • CABG, coronary arterial bypass graft surgery; COPD, chronic obstructive pulmonary disease; MI, myocardial infarction; PCI, percutaneous coronary intervention.