Table 3 Demographics of participants in an observational research bronchoscopy study
Variable | All, n = 249 | Control, n = 103 | COPD, n = 130 | Asthma, n = 16 |
|---|---|---|---|---|
Age (SD) | 66.3 (8.3) | 65.3 (8.6) | 67.2 (7.3) | 65.5 (12.6) |
Sex (men) | 143 (57.4) | 60 (58.3) | 76 (58.5) | 7 (43.8) |
Number of medications (SD) | 3.8 (3.2) | 1.8 (1.7) | 5.4 (3.3) | 3.6 (2.4) |
Number of comorbidities (SD) | 1.1 (1.1) | 0.8 (1.0) | 1.4 (1.2) | 0.8 (0.9) |
FEV1, % of predicted (SD) | 78.3 (28.2) | 103.9 (12.3) | 56.5 (19.2) | 90.7 (13.3) |
FVC, % of predicted (SD) | 102.7 (18.7) | 111.7 (13.5) | 95.0 (19.2) | 107.5 (16.5) |
FEV1/FVC-ratio (SD) | 0.6 (0.2) | 0.7 (0.1) | 0.5 (0.1) | 0.7 (0.1) |
Pack/years (SD)a | 28.6 (20.1) | 21.6 (16.9) | 33.7 (20.5) | 20.9 (22.0) |
Smoking status (%) | ||||
Daily | 55 (22.1) | 25 (24.3) | 30 (23.1) | 0 (0.0) |
Ex-smokers | 170 (68.3) | 59 (57.3) | 99 (76.2) | 12 (75.0) |
Never | 24 (9.6) | 19 (18.5) | 1 (0.8) | 4 (25.0) |
Marital status (%)a | ||||
Married/partner | 157 (64.3) | 79 (77.5) | 72 (57.1) | 6 (37.5) |
Widowed | 22 (9.0) | 3 (2.9) | 16 (12.7) | 3 (18.8) |
Cohabitant | 20 (8.2) | 5 (4.9) | 13 (10.3) | 2 (12.5) |
Divorced, lives alone | 33 (13.5) | 11 (10.8) | 17 (13.5) | 5 (31.3) |
Single | 12 (4.9) | 4 (3.9) | 8 (6.4) | 0 (0.0) |
Education (%)a | ||||
Primary school | 48 (19.8) | 12 (11.8) | 35 (27.8) | 1 (6.7) |
Upper secondary/high school | 125 (51.4) | 52 (51.0) | 67 (53.2) | 6 (40.0) |
3 years or more of higher education | 70 (28.8) | 38 (37.3) | 24 (19.1) | 8 (53.3) |
mMRC Grade 2 and higher (%) | ||||
Grade 2 level ground | 30 (54.6) | 3 (100) | 27 (52.9) | 0 (0.0) |
Grade 3100 m | 18 (32.7) | 0 (0.0) | 17 (33.3) | 1 (100) |
Grade 4 resting dyspnoea | 7 (12.7) | 0 (0.0) | 7 (13.7) | 0 (0.0) |