Subjects | Age yr | BMI kg·m−2 | IVC % | FEV1 % | FEV1/IVC % |
1 | 51 | 40.4 | 72.1 | 66 | 90.5 |
2 | 47 | 26.1 | 96.9 | 102 | 104 |
3 | 55 | 30.7 | 97.8 | 105 | 106 |
4 | 64 | 35.1 | 80.2 | 75.9 | 93.1 |
5 | 51 | 39.4 | 80 | 74.7 | 91.9 |
6 | 55 | 28.6 | 64.8 | 74.2 | 116 |
7 | 54 | 40.9 | 91.9 | 96.4 | 105 |
8 | 32 | 44.3 | 94 | 106 | 112.8 |
9 | 48 | 40.2 | 116 | 106 | 95.7 |
10 | 30 | 29.1 | 109.8 | 96.9 | 87.2 |
11 | 49 | 31.9 | 94.5 | 94.3 | 98.6 |
12 | 50 | 27.5 | 85.5 | 89.8 | 109 |
Mean±sd | 48.83±9.47 | 34.52±6.28 | 90.29±14.73 | 90.6±14.28 | 100.81±9.33 |
BMI: body mass index
IVC: inspiratory vital capacity as per cent of predicted
FEV1: forced expiratory volume in one second as per cent of predicted
FEV1/IVC presented as %.