Table 1 Clinical profile of thyroid cancer patients and controls
Characteristics |      No. of patients (%) |  | |||
|---|---|---|---|---|---|
| Â | PTC (n=178) | FTC (n=16) | MTC (n=9) | ATC (n=9) | Goiter (n=32) |
Gender | Â | Â | Â | Â | Â |
   Male | 48 (27.0) | 3 (18.8) | 4 (44.4) | 4 (44.4) | 2 (6.3) |
   Female | 130 (73.0) | 13 (81.3) | 5 (55.6) | 5 (55.6) | 30 (93.8) |
Age (years, mean ± SD) | 42.1 ± 15.3 | 49.5 ± 14.5 | 53.6 ± 9.5 | 65.6 ± 9.7 | 48.7 ±15.0 |
   ≤30 | 41 (23.0) | 1 (6.3) | 0 (0.0) | 0 (0.0) | 6 (18.8) |
   30-50 | 92 (51.7) | 7 (43.8) | 4 (44.4) | 1 (11.1) | 9 (28.1) |
   50-70 | 33 (18.5) | 7 (43.8) | 5 (55.6) | 5 (55.6) | 15 (46.9) |
   >70 | 12 (6.7) | 1 (6.3) | 0 (0.0) | 3 (33.3) | 2 (6.3) |
Tumor size (cm3)* | Â | Â | Â | Â | Â |
   ≤1 | 19 (14.8) | 3 (42.9) | 0 (0.0) | 0 (0.0) |  |
   1-3 | 34 (26.6) | 1 (14.3) | 0 (0.0) | 1 (33.3) |  |
   3-5 | 25 (19.5) | 0 (0.0) | 0 (0.0) | 0 (0.0) |  |
   >5 | 50 (39.1) | 3 (42.9) | 1 (11.1) | 2 (66.7) |  |
Tumor stage | Â | Â | Â | Â | Â |
   I | 109 (61.2) | 6 (37.5) | 1 (11.1) | 0 (0.0) |  |
   II | 25 (14.0) | 3 (18.8) | 2 (22.2) | 0 (0.0) |  |
   III | 43 (24.2) | 7 (43.8) | 6 (66.7) | 0 (0.0) |  |
   IV | 1 (0.6) | 0 (0.0) | 0 (0.0) | 9 (100.0) |  |
Invasion | Â | Â | Â | Â | Â |
   No | 98 (55.1) | 11 (68.8) | 6 (66.7) | 3 (33.3) |  |
   Yes | 80 (44.9) | 5 (31.3) | 3 (33.3) | 6 (66.7) |  |
Lymph node metastasis | Â | Â | Â | Â | Â |
   No | 92 (51.7) | 13 (81.3) | 2 (22.2) | 6 (66.7) |  |
   Yes | 86 (48.3) | 3 (18.7) | 7 (77.8) | 3 (33.3) |  |
Recurrence | Â | Â | Â | Â | Â |
   No | 158 (88.8) | 11 (68.8) | 7 (77.8) | 6 (88.9) |  |
   Yes | 20 (11.2) | 5 (31.3) | 2 (22.2) | 3 (11.1) |  |