Interobserver agreement for the diagnosis categories and CT pattern scores assessed on volumetric thin-section CT, expressed as Cohen's weighted κ coefficient stratified according to observer experience
| Interobserver agreement | ||
|---|---|---|
| Mean±SD | Median (IQR) | |
| UIP diagnosis categories (UIP, possible UIP, inconsistent with UIP) | ||
| Under 10 years experience | 0.50±0.17 | 0.54 (0.17) |
| Over 20 years experience | 0.39±0.15 | 0.40 (0.12) |
| Honeycombing score (Definite, possible, absent) | ||
| Under 10 years experience | 0.51±0.18 | 0.53 (0.11) |
| Over 20 years experience | 0.47±0.13 | 0.48 (0.09) |
| Traction bronchiectasis score (Definite, possible, absent) | ||
| Under 10 years experience | 0.62±0.14 | 0.65 (0.09) |
| Over 20 years experience | 0.47±0.16 | 0.45 (0.14) |
| Emphysema score (Definite, possible, absent) | ||
| Under 10 years experience | 0.58±0.11 | 0.57 (0.11) |
| Over 20 years experience | 0.36±0.20 | 0.34 (0.18) |
UIP, usual interstitial pneumonia.