Table 1.
Baseline characteristics of our used photographic images of oral lesions.
| Characteristics | RAU Data Set | Normal oral mucosa Data Set | Other common oral mucosal diseases |
|---|---|---|---|
| No. of images | 251 | 271 | 263 |
| No. of images with a single ulcer | 184 | ||
| No. of images with multiple ulcers | 67 | ||
| No. of oral ulcer lesions | 577 | ||
| Distribution | |||
| Lip mucosa | 90 | 95 | 87 |
| Buccal | 44 | 48 | 55 |
| Tongue | 67 | 70 | 60 |
| Palatal mucosa | 11 | 14 | 12 |
| Mouth floor | 15 | 20 | 21 |
| Retromolar trigone | 10 | 10 | 10 |
| Alveolar ridge | 14 | 14 | 18 |
| Types of other disease | |||
| Oral mucosal patches striae diseases | 148 | ||
| Infectious diseases of oral mucosa | 30 | ||
| Bullous diseases of oral mucosa | 15 | ||
| Oral hypersensitivity disorders | 20 | ||
| Traumatic lesions of the oral mucosa | 20 | ||
| Carcinoma in situ or tumor-like lesions | 30 |
Summary of image characteristics and available demographic information in the development and clinical validation data sets; RAU, Recurrent aphthous ulcerations; NO., number.