Table 2.
Observer agreement for measuring all lung cancers (n = 88)
| Perfusion parameters | Intra‐observer agreement | Inter‐observer agreement | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| ICC | MD ± SD (%) | 95% limits (%) | RC (%) | WCV (%) | ICC | MD ± SD (%) | 95% limits (%) | RC (%) | WCV (%) | |
| Pulmonary flow | 0.964 | −2.90 ± 18.0 | −38.2 to 32.4 | 35.3 | 12.8 | 0.942 | −5.91 ± 24.6 | −54.2 to 42.4 | 48.3 | 17.8 |
| Bronchial flow | 0.971 | 3.84 ± 19.5 | −34.5 to 42.1 | 38.3 | 14.0 | 0.930 | 8.50 ± 41.4 | −72.7 to 89.7 | 81.2 | 29.7 |
| Pulmonary index | 0.970 | −2.78 ± 13.3 | −28.9 to 23.4 | 26.1 | 9.6 | 0.945 | −3.22 ± 19.4 | −41.3 to 34.8 | 38.1 | 13.8 |
95% limits, 95% limits for mean difference; ICC, intraclass correlation coefficient for a single measure; MD, mean difference; RC, reproducibility coefficient; SD, standard deviation; WCV, within‐subject coefficient of variation.