Table 3.
Concordance between the alteration between the different functional tests performed, including the coincident number and the kappa coefficient (in parentheses).
| DLCO < LLN N = 34 |
KCO < LLN N = 13 |
KNO < LLN N = 29 |
VA < LLN N = 8 |
DMCO < LLN N = 58 |
VC < LLN N = 20 |
FVC < LLN N = 9 |
FEV1 < LLN N = 9 |
|
|---|---|---|---|---|---|---|---|---|
| DLNO < LLN N = 58 |
34 (0.67) | 12 (0.26) | 17 (0.32) | 31 (0.51) | 47 (0.73) | 17 (0.34) | 6 (0.53) | 8 (0.56) |
| DLCO < LLN N = 34 |
11 (0.41) | 14 (0.43) | 22 (0.49) | 30 (0.55) | 16 (0.53) | 4 (0.15) | 5 (0.18) | |
| KCO < LLN N = 13 |
13 (0.74) | 9 (0.26) | 10 (0.19) | 9 (0.51) | 2 (0.16) | 3 (0.25) | ||
| KNO < LLN N = 29 |
10 (0.21) | 15 (0.27) | 11 (0.49) | 2 (0.09) | 4 (0.23) | |||
| VA < LLN N = 8 |
32 (0.53) | 13 (0.28) | 7 (0.25) | 7 (0.23) | ||||
| DMCO < LLN N = 58 |
12 (0.19) | 5 (0.10) | 6 (0.12) | |||||
| VC < LLN N = 20 |
4 (0.26) | 5 (0.32) | ||||||
| FVC < LLN N = 9 |
4 (0.51) |
DLCO: diffusion capacity of carbon monoxide; DLNO: diffusion capacity of nitric oxide; DMNO: membrane conductance of nitric oxide; KCO: Rate of uptake of carbon monoxide from alveolar gas; KNO: Rate of uptake of nitric oxide from alveolar gas; FEV1: forced expiratory volume in first one second; FVC: forced vital capacity; LLN: lower limits of normal; VA: alveolar lung volume; VC: pulmonary capillary blood volume.