Table 1 Patient characteristics of ovarian cancer patients whose tissue samples were stained by immunohistochemistry for hCG expression or serum samples were analyzed for hCG concentration
From: Human chorionic gonadotropin and its relation to grade, stage and patient survival in ovarian cancer
| Â | Â | Tissue samples | Serum samples |
|---|---|---|---|
Ovarian cancer patients (n) | 156 | 40 | |
Age at primary diagnosis (a) | 58 (range 18-88) | 62 (range 21-80) | |
Histology (%) | serous | 70.5 | 81.0 |
| Â | mucinous | 13.5 | 4.8 |
| Â | endometrioid | 7.7 | 14.3 |
| Â | clear cell | 8.3 | 0.0 |
Tumor grading (%) | low grade | 27.2 | 4.2 |
| Â | intermediate | 36.5 | 54.2 |
| Â | high grade | 36.3 | 51.7 |
Tumor stage (FIGO) (%) | I | 22.6 | 13.9 |
| Â | II | 5.8 | 13.9 |
| Â | III | 70.3 | 55.6 |
| Â | IV | 1.3 | 16.7 |
Gonadotropin receptor expression (%) | LH-R positive | 64.3 | - |
| Â | FSH-R positive | 63.1 | - |