Table II.
The seven histopathologic subtypes of epithelial ovarian carcinoma defined by stage, recurrence status, mortality and survival.
| Criteria | Histopathologic types (n, %) | Test of significance | ||||||
|---|---|---|---|---|---|---|---|---|
| Low-grade serous carcinoma | High-grade serous carcinoma | Mucinous carcinoma | Endometrioid carcinoma | Clear cell carcinoma | Malignant Brenner tumor | Mixed carcinoma | ||
| FIGO stage (n, %) | ||||||||
| I&II | 12 (57.1) | 18 (33.3) | 8 (53.3) | 2(100) | 1(50) | 1(50) | 0 (0) | c2 = 8.7 p = 0.193 |
| III & IV | 9 (42.9) | 36 (66.7) | 7 (46.7) | 0 (0) | 1(50) | 1(50) | 2(100) | |
| Recurrence (n/%) | ||||||||
| No | 13 (61.9) | 22 (40.7) | 11 (73.3) | 2(100) | 1(50) | 1(50) | 0 (0) | c2 = 15.6 p = 0.016* |
| Yes | 8 (38.1) | 32 (59.3) | 4 (26.7) | 0 (0) | 1(50) | 1(50) | 2(100) | |
| Mortality (n/%) | ||||||||
| Survived | 16 (76.2) | 18 (33.3) | 12 (80.0) | 1(50) | 1(50) | 2(100) | 1(50) | c2 = 19.03 p = 0.004* |
| Died | 5 (23.8) | 36 (66.7) | 3 (20.0) | 1(50) | 1(50) | 0 (0) | 1(50) | |
| OS Median (95%CI) |
46 (38-54) | 39 (33-45) | 40.5 (30-51) | 4 (4-4) | 5 (5-5) | 61 (61-61) | 26 (26-26) | Log rank = 81.6 p ≤ 0.001* |
| DFS Median (95%CI) |
44.7 (37-52) | 28 (22.9-33.4) | 30 (23-37) | 4 (4-4) | 5 (5-5) | 26 (26-26) | 6 (6-6) | Log rank = 95 p ≤ 0.001* |
OS, overall survival; DFS, disease-free survival; c2 chi-square test; CI, confidence interval; p value is significant if ≤ 0.05.