Table 1 The distribution of patients and samples.
Representative histopathology types | Training set | Test set | |
|---|---|---|---|
# samples | # patients | # patients | |
UIP Total | 212 (60%) | 53 (59%) | 23 (47%) |
Usual Interstitial pneumonia (UIP) | 136 | 34 | 11 |
Difficult UIP | 40 | 11 | 7 |
Favor UIP | 22 | 5 | 4 |
UIP (lower lobe) + Nonspecific interstitial pneumonia (NSIP) (upper lobe) | 5 | 1 | |
Difficult UIP (lower lobe) + NSIP (upper lobe) | 4 | 1 | |
UIP (lower lobe) + Pulmonary hypertension (upper lobe) | 5 | 1 | |
Favor HP (lower lobe) + Difficult UIP (upper lobe) | 1 | ||
Non-UIP Total | 142 (40%) | 37 (41%) | 26 (53%) |
Respiratory bronchiolitis (RB); Smoking-related interstitial fibrosis | 26 | 7 | 7 |
Hypersensitivity pneumonitis; Favor HP | 19 | 4 | 4 |
Sarcoidosis | 17 | 5 | 4 |
NSIP; Cellular NSIP; Favor NSIP | 18 | 5 | 3 |
Diffuse alveolar damage; DAD with hemosiderosis | 2 | 1 | 2 |
Amyloid or light chain deposition | 1 | ||
Bronchiolitis | 12 | 3 | 1 |
Eosinophilic pneumonia (EP) | 5 | 1 | 1 |
Exogenous lipid pneumonia | 1 | ||
Organizing alveolar hemorrhage | 1 | ||
Organizing pneumonia (OP) | 29 | 7 | 1 |
Pneumocystis pneumonia (PP) | 4 | 1 | |
Emphysema | 10 | 3 | |
Total | 354 | 90 | 49 |