Table 1.
Data sources.
| Campus | Collection period | Sample size | Imaging equipment | Remarks |
|---|---|---|---|---|
| Anhui Medical University First Affiliated Hospital—Changjiang Road Campus | 2018–2023 | 702 | DermLite DL4 + HD camera | Routine dermatology follow-up |
| Anhui Medical University First Affiliated Hospital—High-Tech Zone Campus | 2020–2024 | 1,062 | Same as above | New campus, same model equipment |
| Anhui Medical University First Affiliated Hospital—Northern Campus | 2022–2024 | 276 | Same as above | Standardized imaging protocol |