Table 3 Histopathological changes of resected PTGs
| Â | All | Non-CH group | CH group | P value |
|---|---|---|---|---|
Total number of PTGs | 743 | 571 | 172 | 0.417 |
Nodular hyperplasia | 567 (76.3) | 429 (75.1) | 138 (80.2) | 0.168 |
Diffuse hyperplasia | 176 (23.7) | 142 (24.9) | 34 (19.8) | |
Cystic lesions | 182 (24.5) | 130 (22.8) | 52 (30.2) | 0.046 |
Hemorrhagic necrosis | 116 (15.6) | 75 (13.1) | 41 (23.8) | < 0.001 |
Oxyphil cell area, % | 49.1 (43.4–50.4) | 38.2 (33.7–48.8) | 55.1 (51.3–59.8) | 0.011 |