Table 1 Characteristics of the patients
From: The total-breath method yields higher values of DLCO and TLC than the conventional method
Variable | Group | ||
|---|---|---|---|
Healthy | GOLD 1/2 | GOLD 3/4 | |
n | 23 | 64 | 31 |
Age (y) | 38.6 ± 12.4 | 71.9 ± 9.9 | 72.4 ± 6.8 |
Sex (m/f) (%) | 61% / 39% | 58% / 42% | 45% / 55% |
Height (m) | 173.5 ± 11.7 | 171.1 ± 8.2 | 166.9 ± 8.7 |
BMI (kg/m2) | 23.1 ± 2.4 | 25.2 ± 4.2 | 25.4 ± 3.7 |
FEV1 (L) | 3.93 ± 0.87 | 1.82 ± 0.50 | 0.93 ± 0.24 |
FVC (L) | 5.02 ± 1.09 | 3.30 ± 0.79 | 2.41 ± 0.58 |
FEV1 (% predicted, GLI) | 102.1 ± 7.4 | 66.7 ± 11.9 | 37.7 ± 8.5 |
FVC (% predicted, GLI) | 106.8 ± 11.9 | 92.8 ± 16.1 | 74.9 ± 15.8 |
FEV1 (Z-score, GLI) | 0.180 ± 0.593 | -1.929 ± 0.671 | -3.495 ± 0.601 |
FVC (Z-score, GLI) | 0.509 ± 0.823 | -0.441 ± 0.966 | -1.568 ± 1.035 |
FEV1/FVC (Z-score, GLI) | -0.511 ± 0.817 | -2.395 ± 0.988 | -3.853 ± 0.705 |
DLCOCS (mmol*min-1*kPa-1) | 10.47 ± 3.02 | 5.60 ± 2.15 | 3.67 ± 1.73 |
DLCOTB (mmol*min-1*kPa-1) | 10.82 ± 3.03 | 6.06 ± 2.20 | 4.23 ± 1.80 |
VACS (L) | 6.19 ± 1.20 | 5.26 ± 1.20 | 4.19 ± 0.82 |
VATB (L) | 6.41 ± 1.21 | 5.75 ± 1.05 | 4.94 ± 1.11 |
TLCCS (L) | 6.34 ± 1.20 | 5.41 ± 0.97 | 4.34 ± 0.82 |
TLCTB (L) | 6.57 ± 1.24 | 5.89 ± 1.06 | 5.07 ± 1.14 |
TLCbody (L) | 7.12 ± 1.30 | 6.84 ± 1.11 | 6.75 ± 1.55 |
TLCbody – TLCCS (L) | 0.78 ± 0.20 | 1.43 ± 0.69 | 2.41 ± 1.08 |
TLCbody – TLCTB (L) | 0.55 ± 0.22 | 0.95 ± 0.53 | 1.68 ± 0.95 |