Patient characteristics, EMGpara%max, NRDI, lung function and functional status in forty-five patients with ILD. Correlation coefficients for the relationship between NRDI and individual variables given (* p <0.05)
| Parameter | Median | Range | Correlation with NRDI (r=) |
|---|---|---|---|
| Age (years) | 65 | 35–85 | - |
| BMI | 27.5 | 20.6–40.7 | - |
| FEV1%predicted | 82.5 | 41 -148 | -0.38* |
| FVC%predicted | 83 | 43–137 | -0.36* |
| TLCO%predicted | 48 | 21–78 | -0.25 |
| EMGpara%max (%) | 8.1 | 3.4–20.2 | - |
| NRDI a.u. | 148 | 61–514 | - |
| K-BILD | 65 | 21–100 | -0.007 |
| SGRQ | 37 | 2.3–80 | -0.74 |
| BDI | 6 | –11 | -0.004 |
| CPI | 44 | 9.8–64 | 0.40* |
| 6MWD (%predicted) | 58 | 18–130 | -0.15 |
| 4MGS (m/s) | 0.88 | 0.46–1.95 | -0.21 |