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Table 1 Baseline characteristics for patients with AMI by morbidity

From: Association of treatments for acute myocardial infarction and survival for seven common comorbidity states: a nationwide cohort study

Number of cases

Diabetes (122,228)

COPD (89,221)

Hypertension (302,388)

Chronic heart failure (33,813)

Chronic renal failure (31,029)

Cerebrovascular disease (51,883)

Peripheral vascular disease (27,627)

No comorbidity (198,203)

All (693,388)

Missing, N (%)

Age (years)

72.7 (63–80)

73.5 (64–81)

73.4 (63.1–81.5)

80.4 (73–86)

79 (71.3–85)

78.4 (70.5–84.7)

74.6 (66–81.4)

65.2 (54.8–76.9)

70.7 (59.4–80.1)

0.1 (1025)

Sex (female)

36.1 (44,063)

41.2 (36,709)

38.9 (117,421)

44.6 (15,062)

37.1 (11,507)

41.1 (21,277)

31.2 (8607)

29.1 (81,270)

34.5 (238,569)

0.3 (1923)

Smoker

9.4 (65,000)

Never

39.8 (44,974)

27.2 (22,837)

39.5 (111,727)

43.0 (12,979)

42.8 (11,945)

40.5 (18,978)

25.4 (6527)

37.1 (90,868)

37.8 (237,432)

Ex/current

60.2 (68,147)

72.8 (61,126)

60.5 (171,255)

57.0 (17,179)

57.2 (15,958)

59.5 (27,904)

74.6 (19,192)

62.9 (153,836)

62.2 (390,956)

Year

0.0 (0)

2003–2006

29.8 (36,462)

32.1 (28,670)

31.1 (94,080)

36.2 (12,239)

23.7 (7343)

32.2 (16,702)

35.6 (9826)

39.9 (112,069)

35.3 (244,499)

2007–2010

41.5 (50,748)

40.8 (36,432)

41.7 (126,222)

38.8 (13,110)

44.1 (13,681)

41.3 (21,416)

39.3 (10,852)

37.1 (103,980)

39.5 (274,085)

2011–2013

28.7 (35,018)

27.0 (24,119)

27.2 (82,086)

25.0 (8464)

32.2 (10,005)

26.5 (13,765)

25.2 (6949)

23.0 (64,530)

25.2 (174,804)

IMD score

20.3 (11.7–34.8)

21.2 (12.1–36.2)

18.0 (10.4–31.3)

18.8 (11.1–32.5)

18.6 (10.8–32.1)

18.9 (10.9–33.1)

20.0 (11.5–34.6)

18.4 (10.7–32.1)

18.3 (10.6–31.8)

8.2 (56,733)

Systolic blood pressure (mmHg)

139 (120–159)

137 (119–157)

141 (121–161)

133 (114–154)

136 (116–157)

138 (118–158)

137 (118–158)

136 (119–154)

21.6 (14.9–27)

19.3 (133,701)

Heart rate (bpm)

83 (70–99)

84 (70–100)

80 (67–94)

87 (72–104)

83 (70–98)

82 (69–98)

82 (70–98)

75 (64–90)

79 (66–93)

19.0 (131,708)

Cholesterol (mmol/l)

4.2 (3.4–5)

4.7 (3.9–5.7)

4.6 (3.8–5.6)

4.1 (3.4–5)

4 (3.3–5)

4.2 (3.5–5.1)

4.2 (3.5–5.2)

5.30 (4.4–6.2)

4.9 (4–5.9)

35.7 (247,700)

Creatinine (μmol/l)

99 (80–132)

92 (75–116)

95 (78–119)

117 (91–157)

168 (124–241)

102 (82–133)

103 (82–139)

87 (74–102)

91 (76–112)

44.5 (308,897)

AMI diagnosis

0.0 (0)

STEMI

27.8 (33,993)

30.3 (27,013)

33.2 (100,356)

14.8 (5013)

18.4 (5712)

25.3 (13,146)

25.8 (7115)

49.7 (139,394)

39.6 (274,220)

NSTEMI

72.2 (88,235)

69.7 (62,208)

66.8 (202,032)

85.2 (28,800)

81.6 (25,317)

74.7 (38,737)

74.3 (20,512)

50.3 (141,185)

60.5 (419,168)

Previous CABG

4.9 (5011)

2.9 (2166)

4.2 (10,572)

2.1 (583)

2.8 (713)

2.9 (1264)

4.5 (1050)

2.9 (6574)

3.5 (19,840)

17.4 (120,385)

Previous PCI

26.2 (26,644)

25.0 (18,601)

29.5 (74,856)

11.6 (3275)

17.4 (4447)

17.6 (7668)

23.2 (5456)

32.6 (74,166)

29.6 (169,503)

17.4 (120,385)

GRACE risk score

56.0 (388,271)

Lowest (≤ 70)

4.3 (2595)

4.3 (1965)

5.0 (7517)

0.8 (135)

1.0 (184)

1.5 (388)

2.4 (311)

11.5 (11,760)

7.1 (21,686)

Low (71–87)

8.0 (4863)

7.3 (3309)

8.7 (13,252)

1.8 (288)

2.2 (385)

3.7 (1000)

5.5 (701)

16.1 (16,437)

11.0 (33,539)

Intermediate to high (≥ 88)

87.7 (53,095)

88.4 (39,979)

86.3 (131,031)

97.4 (16,077)

96.8 (17,365)

94.8 (25,338)

92.1 (11,862)

72.5 (74,235)

81.9 (249,892)

Number of comorbidities

2 (2–3)

2 (1–3)

1 (1–2)

3 (2–3)

3 (2–4)

2 (2–3)

3 (2–3)

N/A

1 (0–2)

7.9 (124,218)

Total

630,613

599,586

620,866

572,496

620,161

604,733

599,402

693,388

570,884

 
  1. COPD chronic obstructive pulmonary disease, IMD index of multiple deprivation (continuous), AMI acute myocardial infarction, STEMI ST-elevated myocardial infarction, NSTEMI non-ST-elevated myocardial infarction, CABG coronary artery bypass graft, Primary PCI primary percutaneous coronary intervention; Global Registry of Acute Coronary Events (GRACE) risk score (categorised into lowest [< 70], low [70 to 87], and intermediate-to-high risk [≥ 88]); missing column refers to the level of missing for each variable in the dataset