Table 1.
Summary of datasets
| Item | Development dataset |
External test dataset | ||
|---|---|---|---|---|
| Training dataset | Validation dataset | Internal test dataset | ||
| Keratitis | ||||
| No. of high-quality imagesa | 2,185/5,505 (39.7) | 511/1,257 (40.7) | 483/1,208 (40.0) | 2,407/6,146 (39.2) |
| No. of low-quality imagesa | 367/5,505 (6.7) | 75/1,257 (6.0) | 81/1,208 (6.7) | 105/6,146 (1.7) |
| Other corneal abnormalities | ||||
| No. of high-quality imagesa | 585/5,505 (10.6) | 136/1,257 (10.8) | 130/1,208 (10.8) | 1,442/6,146 (23.5) |
| No. of low-quality imagesa | 299/5,505 (5.4) | 61/1,257 (4.9) | 69/1,208 (5.7) | 87/6,146 (1.4) |
| Normal cornea | ||||
| No. of high-quality imagesa | 1756/5,505 (31.9) | 408/1,257 (32.5) | 373/1,208 (30.9) | 1995/6,146 (32.5) |
| No. of low-quality imagesa | 313/5,505 (5.9) | 66/1,257 (5.3) | 72/1,208 (6.0) | 110/6,146 (1.8) |
a
Data are no. of images/total no. (%) unless otherwise indicated.