Table 2

Baseline Characteristics

Depressed*

Non-Depressed

P Value


Characteristics

(n = 494)

(n = 1447)


Age, y -- %

0.002

19–49

21

15

50–64

39

34

65–74

20

29

> 74

20

21

Male Sex -- %

63

73

<0.001

Income, Canadian $ -- %

<0.001

Low (<$30,000)

33

24

Intermediate ($30,000 – $59,999)

34

35

High (>$59,999)

33

42

Coronary Risk Factors -- %

Diabetes

29

22

0.001

Hypercholesterolemia

45

39

0.02

Hypertension

49

46

0.33

Smoking

43

39

0.08

Non-cardiac comorbidities -- %

None

6

9

<0.001

1

16

23

2

27

23

3 or more

51

46

Prognostic Indicators -- mean (SD)

GRACE 6-month prognostic index score⌷

11.6 (30.3)

113.6 (28.5)

0.22

DASI Score§

11.2 (8.4)

19.6 (11.8)

<0.001

Processes of Care -- %

Percutaneous transluminal coronary angiography

8

8

0.97

Coronary angioplasty bypass grafting

12

10

0.28

ACE Inhibitor

63

62

0.64

Beta Blocker

68

70

0.44

Statin

55

55

0.89

Nitrate

37

31

0.01


*The depression measure is a depression scale containing 9 items from the Brief Carroll Depression Scale (BCDS)(cut-off score of 5).

⌷Abbreviation: GRACE: Global Registry of Acute Coronary Events scale.

§Abbreviation: DASI: Duke Activity Status Index

Kurdyak et al. BMC Health Services Research 2008 8:200   doi:10.1186/1472-6963-8-200

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