Table 1 Association between preoperative CA125 level and clinicopathological parameters
|  | Normal CA125 level (n = 360) | High CA125 level (n = 46) | P value |
|---|---|---|---|
Agea | 59.00 (51.00,67.00) | 57.50 (51.25,68.00) | 0.887 |
Gender (%) | Â | Â | 0.056 |
 Male | 181 (50.3) | 30 (65.2) |  |
 Female | 179 (49.7) | 16 (34.8) |  |
Hemorrhage (%) | Â | Â | 0.868 |
 Yes | 106 (29.4) | 13 (28.3) |  |
 No | 254 (70.6) | 33 (71.7) |  |
Rupture (%) |  |  | < 0.001 |
 Yes | 1 (0.3) | 8 (17.4) |  |
 No | 359 (99.7) | 38 (82.6) |  |
Resection style (%) | Â | Â | 0.001 |
 Complete resection | 348 (96.7) | 38 (82.6) |  |
 Incomplete resection | 12 (3.3) | 8 (17.4) |  |
Tumor site (%) | Â | Â | 0.025 |
 Stomach | 241 (66.9) | 23 (50.0) |  |
 Small intestine | 103 (28.6) | 17 (37.0) |  |
 Colorectum | 7 (1.9) | 2 (4.3) |  |
 Extra location | 9 (2.5) | 4 (8.7) |  |
Tumor size (%) |  |  |  < 0.001 |
 Less than 5 cm | 197 (54.7) | 5 (10.9) |  |
 5–10 cm | 138 (38.3) | 19 (41.3) |  |
 More than 10 cm | 25 (6.9) | 22 (47.8) |  |
Mitotic index (%) |  |  | < 0.001 |
 Less than 5/HPF | 243 (67.5) | 18 (39.1) |  |
 5–10/HPF | 55 (15.3) | 6 (13.0) |  |
 More than 10/HPF | 62 (17.2) | 22 (47.8) |  |
NIH risk grade (%) |  |  |  < 0.001 |
 Extremely low | 25 (6.9) | 0 (0.0) |  |
 Low | 135 (37.5) | 3 (6.5) |  |
 Moderate | 69 (19.2) | 2 (4.3) |  |
 High | 131 (36.4) | 41 (89.1) |  |
c-kit exons (%) | Â | Â | 0.001 |
 Positive | 138 (38.3) | 29 (63.0) |  |
 Negative | 222 (61.7) | 17 (37.0) |  |
PDGFRA exons (%) | Â | Â | 0.113 |
 Positive | 22 (6.1) | 6 (13.0) |  |
 Negative | 338 (93.9) | 40 (87.0) |  |