Table 1.
Anthropometric, pulmonary, and respiratory muscle data at baseline of 30 COPD patients
| Study entry | Beginning of IMT* | |
|---|---|---|
| Subjects n | 30 | 27 |
| Age yr | 61 ± 8.87 yrs | 61 ± 8.87 yrs |
| Sex M/F | 24/6 | 21/6 |
| Smoking/nonsmoking | 26/4 | 23/4 |
| BMI kg, m2 | 24 ± 0.9 | 24 ± 0.9 |
| FEV1% predicted | 33.8% ± 7.69% | 33.6% ± 8.04% |
| FVC% predicted | 73.6% ± 14.3% | 72.7% ± 17.7% |
| FEV1/FVC% predicted | 45.92% ± 7.1% | 46.21% ± 6.7% |
| TLC% predicted | 115.8% +/− 4.6% | 116% +/− 3% |
| IF% predicted | 32.1% ± 4.3% | 32.02% +/− 5.1% |
| PI max% predicted | 59.2% +/−17.3% | 59% ± 19.1% |
*
Notes: There was a period of four weeks of run-in between the study entry and the beginning of IMT.
Abbreviations: BMI, body mass index; IMT, inspiratory muscle training; COPD, chronic obstructive pulmonary disease; FEV1, forced expiratory volume in the first second; FEV1/FVC, Tiffeneau index; FVC, forced vital capacity; PI max, maximal inspiratory pressure; IF, inspiratory fraction.