Table 6. Correlation analysis among forced oscillation parameters and pulmonary diffusion capacity results.
DLCOa | DLCOa (%) | DLCOc | DLCOc (%) | DLCO/AVc | DLCO/AVc (%) | AV (L) | AV (%) | |
---|---|---|---|---|---|---|---|---|
R0 | -0.62 | -0.49 | -0.45 | -0.31 | 0.06 | 0.06 | -0.55 | -0.51 |
<0.0001 | <0.001 | 0.0001 | ns | ns | ns | <0.0001 | <0.0001 | |
Rm | -0.62 | -0.49 | -0.48 | -0.34 | 0.01 | 0.02 | -0.56 | -0.52 |
<0.0001 | 0.0005 | <0.0001 | <0.005 | ns | ns | <0.0001 | <0.0001 | |
R4 | -0.57 | -0.38 | -0.42 | -0.24 | 0.10 | 0.13 | -0.53 | -0.43 |
<0.0001 | 0.001 | <0.0005 | ns | ns | ns | <0.0001 | <0.0005 | |
Xm | 0.11 | 0.23 | 0.10 | 0.27 | -0.09 | 0.02 | 0.18 | 0.35 |
ns | ns | ns | ns | ns | ns | ns | <0.005 | |
Fr | -0.13 | -0.24 | -0.11 | -0.28 | 0.12 | -0.002 | -0.19 | -0.35 |
ns | ns | ns | ns | ns | ns | ns | <0.005 | |
Cdyn | 0.63 | 0.45 | 0.53 | 0.40 | -0.09 | -0.06 | 0.66 | 0.53 |
<0.0001 | 0.0001 | <0.001 | <0.001 | ns | ns | <0.0001 | <0.0001 | |
Z4 | -0.57 | -0.43 | -0.48 | -0.36 | 0.01 | 0.06 | -0.57 | -0.53 |
<0.0001 | <0.0005 | <0.0001 | <0.005 | ns | ns | <0.0001 | <0.0001 |