Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Pearson correlation coefficients and intraclass correlation coefficients (ICC) between the spirometric values obtained with the two spirometers, for the entire dataset (200 patients)
| Pearson correlation | ICC | |
|---|---|---|
| FEV1(L) | 0.976 | 0.976 |
| FVC (L) | 0.963 | 0.962 |
| FEV1/FVC | 0.947 | 0.945 |
| FEF25–75% | 0.953 | 0.948 |
| PEF (L/sec) | 0.922 | 0.922 |
| MEF25% | 0.909 | 0.906 |
| MEF50% | 0.944 | 0.942 |
| MEF75% | 0.946 | 0.942 |
*for all metrics p < 0.001
