Table 1. Spirometry and concavity data mean and standard deviation (SD) from the Tasmanian BOLD population (17).
| Males (n=164); mean (SD) |
Females (n=223); mean (SD) |
||||
|---|---|---|---|---|---|
| Never smoked (n=66) | Ever smoked (n=98) | Never smoked (n=115) | Ever smoked (n=108) | ||
| Post-BD spirometry | |||||
| FEV1, % predicted | 101.5 (13.2) | 93.3 (15.5) | 98.8 (16.6) | 99.0 (16.3) | |
| FVC, % predicted | 101.3 (12.4) | 97.5 (14.1) | 99.5 (15.2) | 99.4 (13.2) | |
| FER, absolute % | 76.0 (6.8) | 72.5 (9.3) | 77.2 (8.0) | 73.8 (9.5) | |
| Acute reversibility | |||||
| FEV1, % change | 4.4 (4.1) | 3.7 (6.6) | 3.2 (7.0) | 3.6 (5.8) | |
| FER, absolute change | 2.3 (4.2) | 2.8 (4.5) | 2.4 (4.2) | 2.2 (4.5) | |
| Global concavity units | |||||
| Pre-BD | 32.7 (21.6) | 40.4 (22.3) | 22.9 (24.2) | 32.0 (26.9) | |
| Post-BD | 27.5 (22.6) | 35.2 (23.6) | 13.4 (26.4) | 25.6 (29.4) | |
| Peripheral concavity units | |||||
| Pre-BD | 67.1 (19.0) | 74.0 (14.0) | 63.9 (19.4) | 69.5 (18.5) | |
| Post-BD | 59.1 (24.1) | 68.3 (18.0) | 56.9 (21.6) | 63.3 (21.4) | |
BD, bronchodilator; FEV1, forced expiratory volume in one second; FVC, forced vital capacity; FER, forced expiratory ratio.