Table 4 Intra-observer and inter-observer reliability and agreement
| Parameter | Intra-observer | Inter-observer | ||
|---|---|---|---|---|
| ICC (95%CI) | Mean difference (95% LoA) | ICC (95%CI) | Mean difference (95% LoA) | |
| Thoracic transverse diameter |
0.9981 0.9967–0.9989 |
0.0062 − 0.2070–0.1946 |
0.9899 0.9823–0.9942 |
0.0054 − 0.2845–0.2953 |
| Thoracic anteroposterior diameter |
0.9992 0.9986–0.9995 |
0.0048 − 0.1039–0.1135 |
0.9948 0.9908–0.9970 |
− 0.0060 − 0.2613–0.2493 |
| Thoracic circumference |
0.9808 0.9665–0.9890 |
− 0.0470 − 0.2463–0.1523 |
0.9203 0.8662–0.9531 |
0.1286 − 2.7965–3.0537 |
| Thoracic area |
0.9874 0.9781–0.9928 |
− 0.0556 − 0.4865–0.3753 |
0.9798 0.9653–0.9883 |
0.0218 − 3.8034–3.8470 |
| Lung volume |
0.9388 0.9631–0.9878 |
− 0.0428 − 0.9143–0.8287 |
0.9191 0.9466–0.9823 |
− 0.5338 − 7.7247–6.6571 |
| Thoracic volume |
0.9590 0.9807–0.9937 |
0.0922 − 0.9856–1.1700 |
0.9411 0.9672–0.9892 |
− 0.4964 − 10.2373–9.2445 |