Table 2 Comparison according to PSMA expression
| Â | Low PSMA | High PSMA | p value |
|---|---|---|---|
Sex | Â | Â | 0.529 |
 Female | 32 (62.7) | 36 (70.6) |  |
 Male | 19 (37.3) | 15 (29.4) |  |
Age | Â | Â | 0.612 |
 <55 years | 40 (78.4) | 43 (84.3) |  |
 ≥55 years | 11 (21.6) | 8 (15.7) |  |
Tumor size | Â | Â | 0.151 |
 ≤1 cm | 23 (45.1) | 15 (29.4) |  |
 >1 cm | 28 (54.9) | 36 (70.6) |  |
Multiplicity | Â | Â | 0.825 |
 Absence | 36 (70.6) | 38 (74.5) |  |
 Presence | 15 (29.4) | 13 (25.5) |  |
Bilaterality | Â | Â | 0.625 |
 Absence | 39 (76.5) | 42 (82.4) |  |
 Presence | 12 (23.5) | 9 (17.6) |  |
Chronic lymphocytic thyroiditis | Â | Â | 0.831 |
 Absence | 34 (66.7) | 36 (70.6) |  |
 Presence | 17 (33.3) | 15 (29.4) |  |
Gross extrathyroidal extension | Â | Â | 0.636 |
 Absence | 41 (80.4) | 38 (74.5) |  |
 Presence | 10 (19.6) | 13 (25.5) |  |
Lymph node involvement | Â | Â | 0.228 |
 Absence | 14 (27.5) | 8 (15.7) |  |
 Presence | 37 (72.5) | 43 (84.3) |  |
N stage | Â | Â | 0.321 |
 N0 | 14 (27.5) | 8 (15.7) |  |
 N1a | 18 (35.3) | 23 (45.1) |  |
 N1b | 19 (37.3) | 20 (39.2) |  |
Radioactive iodine therapy | 41 (80.4) | 44 (86.3) | 0.596 |