TABLE 1.

Multivariable logistic regression for factors predicting the absence of a general practice COPD diagnostic code among all those with airflow obstruction and COPD-defining symptoms (655 out of 1275)

	OR (95% CI)	p-value
Age	0.99 (0.97–1.01)	0.16
Sex (male)	1.34 (1.04–1.72)	0.024
Smoking status (current smoker)	1.59 (1.21–2.08)	0.001
Higher (worse) COPD CAT score	0.95 (0.93–0.98)	<0.001
Higher (worse) mMRC dyspnoea score	0.67 (0.57–0.78)	<0.001
COPD symptom: sputum	0.65 (0.50–0.86)	0.002
COPD symptom: bronchitis	0.50 (0.32–0.77)	0.002

CAT: COPD Assessment Test; mMRC: modified Medical Research Council.