Table 5 Intra-class correlation analysis between PSID and echo standard measurement
From: Early markers of right heart involvement in regular smokers by Pocket Size Imaging Device
Variable | Intra-class Correlation (rho) | 95Â % Confidence Interval | |
|---|---|---|---|
Lower bound | Upper bound | ||
IVC diameter (cm) | 0.894 | 0.860 | 0.919 |
IVC percent variation | 0.932 | 0.910 | 0.949 |
RA diameter (cm) | 0.806 | 0.745 | 0.853 |
RV basal diameter (cm) | 0.472 | 0.304 | 0.599 |