Table 2.
Category-wise distribution of chest radiographs in the external test datasets.
| Data Characteristics | No. of Chest Radiographs | ||
|---|---|---|---|
| Hospital A | Hospital B | Total | |
| Total no. of chest radiographs | 3843 | 633 | 4476 |
| No. of radiographs with ROI in lungs | 641 | 137 | 778 |
| No. of radiographs with ROI in cardiac | 114 | 28 | 142 |
| No. of radiographs with ROI in pleura | 275 | 50 | 325 |
| No. of radiographs with at least one ROI from any category | 844 | 163 | 1007 |
| No. of radiographs with ROI in none of the above categories | 2999 | 470 | 3469 |