Table 1.
The Characteristics of the Participants
| N (%) Development set | N (%) Validation set | |
|---|---|---|
| Benign thyroid disease | ||
| Age (years) | ||
| Median (Range) | 50 (48–53) | 51 (48-54) |
| Sex | ||
| Male | 45 (18.5) | 19 (14.6) |
| Female | 198 (81.5) | 111 (85.4) |
| Nodule | ||
| Single | 49 (20.2) | 22 (16.9) |
| Multiple | 194 (79.8) | 108 (83.1) |
| Type | ||
| Nodular goiter | 232 (95.5) | 125 (96.2) |
| Follicular adenoma | 11 (4.5) | 5 (3.8) |
| Thyroid cancer | ||
| Age (years) | ||
| Median (Range) | 46 (39–53) | 50 (42-56) |
| Sex | ||
| Male | 37 (14.0) | 116 (89.2) |
| Female | 228 (86.0) | 14 (10.8) |
| Nodule | ||
| Single | 81 (30.6) | 32 (24.6) |
| Multiple | 184 (69.4) | 98 (75.4) |
| Type | ||
| Papillary carcinoma | 152 (57.3) | 106 (81.5) |
| Follicular carcinoma | 50 (18.9) | 13 (10.0) |
| Medullary carcinoma | 63 (23.8) | 11 (8.5) |
| Tumor size | ||
| T1 | 223 (84.2) | 117 (90.0) |
| T2 | 34 (12.8) | 11 (8.5) |
| T3 | 8 (3.0) | 2 (1.5) |
| Nodal status | ||
| Positive | 33 (12.5) | 11 (8.5) |
| Negative | 232 (87.5) | 119 (91.5) |
| TNM stage | ||
| I | 224 (84.5) | 112 (86.2) |
| II | 16 (6.0) | 7 (5.4) |
| III | 10 (3.8) | 7 (5.4) |
| IV | 15 (5.7) | 4 (3.0) |