Table 1 Characteristics of participating general practices and participants.

From: Quality of spirometry and related diagnosis in primary care with a focus on clinical use

General practices (n = 13)

Annual number of spirometry tests performed (n = 12), n (%)

 ≤40

0 (0.0)

 41−80

4 (33.3)

 81−120

4 (33.3)

 >120

4 (33.3)

Participation in accredited spirometry educational programme, n (%)

 General practitioners (n = 15)

12 (80.0)

 Practice nurses (n = 16)

14 (93.3)

Participants (n = 149)

Age (years), mean (SD)

56.8 (17.2)

Male sex, n (%)

77 (51.7)

BMI (kg/m2), mean (SD)

27.5 (5.2)

Smoking status, n (%)

 Current smoker

30 (20.1)

 Stopped <1 year ago

7 (4.7)

 Stopped ≥1 year ago

60 (40.3)

 Never smoker

52 (34.9)

Previous pulmonologist visit (n = 146), n (%)

 No

95 (65.1)

 Yes, <6 months ago

4 (2.7)

 Yes, ≥6 months ago

47 (32.2)

Number of antibiotics/predniso(lo)ne courses in the previous year (n = 136), n (%)

 0

95 (69.9)

 1

25 (18.4)

 >1

16 (11.8)

Age of onset of respiratory symptoms (n = 137), median (IQR)

40.0 (11.0–59.0)

MRC (n = 128), n (%)

 0–2

116 (90.7)

 >2

12 (9.3)

ACQ-5 (n = 134), n (%)

 <0.75

54 (40.3)

 0.75–1.5

36 (26.9)

 >1.5

44 (32.8)

CCQ, median (IQR)

 Total (n = 138)

1.0 (0.6–1.6)

 Symptoms (n = 138)

1.6 (1.0–2.5)

 Functional status (n = 139)

0.8 (0.3–1.5)

 Mental (n = 139)

0.0 (0.0–0.5)

FEV1 (L)a, mean (SD)

2.6 (1.0)

FEV1 % predicteda, mean (SD)

79.1 (19.6)

FVC (L)a, mean (SD)

3.8 (1.1)

FEV1/FVC (%), mean (SD)

66.3 (12.4)

Reversibility testing performed, n (%)

90 (60.4)

  1. BMI body mass index, MRC Medical Research Council dyspnoea scale, ACQ Asthma Control Questionnaire, CCQ COPD Clinical Questionnaire, FEV1 forced expiratory volume in 1 s, FVC forced vital capacity.
  2. aBased on largest pre-bronchodilator value.