Table 1 Comparision of the clinicopathological characteristics between the 220 patients in the NACT-IDS and PDS group with stage IIIC and IV epithelial ovarian cancer
Characteristics | PDS group (n = 141) | NACT group(n = 79) | P value |
|---|---|---|---|
Age (years), mean ± SD | 55.99 ± 11.10 | 57.08 ± 10.38 | 0.526 |
Pathology type | Â | Â | 0.390 |
 Serous carcinoma | 117(83.0%) | 69(87.3%) |  |
 Other types | 24(17.0%) | 10(12.7%) |  |
Stage | Â | Â | 0.123 |
 IIIC | 119(84.4%) | 60(75.9%) |  |
 IV | 22(15.6%) | 19(24.1%) |  |
Histology grade* | Â | Â | 0.035 |
 G1 | 2(1.4%) | 0(0%) |  |
 G2 | 27(19.4%) | 6(7.7%) |  |
 G3 | 110(79.1%) | 72(92.3%) |  |
Initial CA125 level* | Â | Â | 0.036 |
 <500 U/ml | 60(42.6%) | 22(28.2%) |  |
  ≥ 500 U/ml | 81(57.4%) | 56(71.8%) |  |
 Pleural effusion | 12(8.5%) | 14(17.7%) | 0.042 |
 Liver metastasis | 15(10.6%) | 6(7.6%) | 0.461 |
Tumor distribution |  |  | < 0.001 |
 Localized | 38(27.0%) | 0 (0%) |  |
 Diffuse | 103(73.0%) | 79 (100%) |  |
lymphadenectomy | 107(75.9%) | 60(75.9%) | 0.992 |
Residual disease | Â | Â | 0.071 |
 None, R0 | 46 (32.6%) | 34(43.0%) |  |
 <1 cm,R1 | 44 (31.2%) | 28(35.4%) |  |
  ≥ 1 cm,R2 | 51 (36.2%) | 17(21.5%) |  |
 Lymph node metastasis* | 69(61.1%) | 20(32.3%) | < 0.001 |