| Screening examinees |
|
|
| Sex, No. (%) |
|
|
| Male |
151 371 (50.5) |
136 707 (50.4) |
| Female |
148 534 (49.5) |
134 376 (49.6) |
| Age, mean (SD), y |
14.9 (2.6) |
12.6 (3.2) |
| Confirmatory examinees |
2086 |
1787 |
| Diagnosed or suspected cases of thyroid cancer, No. |
116 |
71 |
| Age at diagnosis, mean (SD), y |
17.3 (2.7) |
16.9 (3.2) |
| Sex, No. |
|
|
| Male |
39 |
32 |
| Female |
77 |
39 |
| Tumor diameter at screening, mm |
|
|
| Mean (SD) |
12.7 (7.4) |
9.7 (5.3) |
| Median |
10.5 |
8.6 |
| Cases by tumor size at screening, No. (%) |
|
|
| 5.1-10.0 mm |
55 (47.4) |
47 (66.2) |
| 10.1-15.0 mm |
30 (25.9) |
15 (21.1) |
| 15.1-20.0 mm |
14 (12.1) |
6 (8.5) |
| ≥20.1 mm |
17 (14.7) |
3 (4.2) |
| Pathologic diagnosis in surgical cases, No. |
|
|
| Benign nodule |
1 |
0 |
| Papillary thyroid carcinoma |
100 |
49 |
| Poorly differentiated thyroid carcinoma |
1 |
0 |
| Other |
0 |
1 |
