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Table 2 Regression coefficients, contributions to the CHD-score, ORs (adjusted) for the subpopulation with cardiovascular risks (n = 435).

From: Ruling out coronary heart disease in primary care patients with chest pain: a clinical prediction score

Variables

Regression Coefficient

Score

ORadjusted *

ORadj (95% CI)

Age-sex categories

   

   M < 55 yr or F < 65 yr

0

0

1 (reference)

   M 55-64 yr or F 65 to 74 yr

1.99

2

7.3 (2.4 to 22.5)

   M ≥ 65 yr or F ≥ 75 yr

2.44

2

11.5 (4.2 to 31.5)

Known cardiovascular risk

   

   None

0

0

1 (reference)

   1 to 2

1.76

2

5.8 (1.2 to 29.0)

   ≥3

1.91

2

6.7 (1.3 to 35.2)

Known previous history of CVD

1.89

2

6.7 (3.2 to 13.8)

Duration of chest pain 1 to 60 minutes

1.09

1

3.0 (1.4 to 6.2)

Area of pain described as substernal

1.65

2

5.2 (2.5 to 10.9)

Precipitating with exertion

0.75

1

2.1 (1.0 to 4.3)

Absence of tenderness

1.22

1

3.4 (1.5 to 8.0)

  1. * Adjusted for variables shown in this table.
  2. CHD = coronary heart disease; CVD = cardio-vascular disease; OR = odds ratio;
  3. ORadj = adjusted odds ratio