Variables

Regression co-efficient

P

Adjusted odd ratio

95% Confidence Level

upper

lower

Cigarette smoking (ever)

1.439

0.001

4.2

1.82

9.72

Dyspnoea (frequency)

1.054

0.018

2.87

1.19

6.88

Table 4: Logistic regression model predictive of COPD in subjects with cardiovascular diseases.