Constituent ratio (CR) of the histological type of thyroid cancer in Tianjin, 1981-2001 (%)
| Histological type | Male | Female | Total | |||
|---|---|---|---|---|---|---|
| Case | CR | Case | CR | Case | CR | |
| Papillary adenocarcinoma | 105 | 57.69 | 387 | 67.42 | 492 | 65.08 |
| Adenocarcinoma | 34 | 18.68 | 77 | 13.41 | 111 | 14.68 |
| Follicular | 13 | 7.15 | 47 | 8.19 | 60 | 7.94 |
| Parafollicular cell | 14 | 7.69 | 26 | 4.53 | 40 | 5.29 |
| Anaplastic | 4 | 2.20 | 4 | 0.70 | 8 | 1.06 |
| Others | 12 | 6.59 | 33 | 5.75 | 45 | 5.95 |
| Total | 182 | 100.00 | 574 | 100.00 | 756 | 100.00 |
Comparison of the histological type difference by gender: χ2=10.53, P=0.06.