Table 1.

Patient characteristics and diagnosis registered in the medical records for the previous five years in 376 patients aged ≥40 years diagnosed with an obstructive lung disease in primary care

	FEV 1 /FVC <0.7 (n = 149)		FEV 1 /FVC ≥0.7 (n = 227)
	n	(%)	n	(%)	P-value
Men	69	46.3	74	32.6	0.007
Age ≥65 years	82	55.0	70	30.8	<0.001
Smoking
Current	44	29.5	62	27.3	<0.001a
Former	86	57.7	87	38.3
Never	19	12.8	78	34.4
GP diagnosis
COPD only	59	39.6	15	6.6	<0.001a
COPD and asthma	54	36.2	38	16.7
Asthma only	36	24.4	174	76.7
Other illness (GP reported)
Allergic rhinitis and/or eczema	46	30.9	125	55.1	<0.001
Cardiovascular disease	64	43.0	58	25.6	<0.001
Exacerbation in the previous year	54	36.2	46	20.3	0.001
FEV1% predicted
<50	44	29.5	7	3.1	<0.001a
50–80	87	58.4	77	33.9
≥80	18	12.1	143	63.0
CCQ mean scoreb
<1	30	21.6	64	29.9	0.03a
1–2	50	36.0	81	37.9
≥2	59	42.4	69	32.2

^aChi-square trend.

^bData missing for 23 patients.