Agreement on radiological findings, derivation data set
| Inter-rater agreement among dichotomous variables | Kappa | Prevalence-adjusted, bias-adjusted kappa | Interpretation of prevalence-adjusted, bias-adjusted kappa |
| Presence of patchy consolidation | 0.20 | 0.70 | Substantial |
| Presence of confluent consolidation | 0.33 | 0.31 | Fair |
| Presence of any consolidation | 0.24 | 0.81 | Almost perfect |
| Presence of small nodules | 0.12 | 0.06 | Slight |
| Presence of large nodules | 0.09 | 0.09 | Slight |
| Presence of any nodules | 0.19 | 0.19 | Slight |
| Presence of fibrosis | 0.08 | 0.06 | Slight |
| Presence of cavitation | 0.33 | 0.37 | Fair |
| Presence of effusion | -0.35 | -0.61 | Poor |
| Presence of lymphadenopathy | 0.01 | -0.09 | Poor |
| Concordance among continuous variables | ρc | 95% limits of agreement (Bland and Altman) |
| Total amount (%) of lung affected | 0.85 | −28.20 to 22.46 % |
| Extent of cavity size (mm) | 0.69 | −56.62 to 50.66 mm |