Table 3.
Effects of respiratory tests on the change in VC in Pirfenidone and Placebo groups
| Group | Parameter | Estimate | S.E. | t-value | p-value |
|---|---|---|---|---|---|
| Pirfenidone | Intercept | -0.3543 | 0.7428 | -0.48 | 0.6340 |
| (n = 155) | The lowest SpO2 | 0.0029 | 0.0091 | 0.32 | 0.7514 |
| %VC | 0.0035 | 0.0011 | 3.17 | 0.0018 | |
| %DLco | -0.0011 | 0.0011 | -0.97 | 0.3361 | |
| PaO2 | -0.0025 | 0.0021 | -1.19 | 0.2378 | |
| Placebo | Intercept | -2.0951 | 1.2726 | -1.65 | 0.1029 |
| (n = 102) | The lowest SpO2 | 0.0217 | 0.0146 | 1.48 | 0.1412 |
| %VC | 0.0008 | 0.0017 | 0.49 | 0.6279 | |
| %DLco | -0.0017 | 0.0017 | -0.99 | 0.3248 | |
| PaO2 | 0.0003 | 0.0033 | 0.10 | 0.9172 | |
(%TLC was omitted from the evaluation)