Table 1.
Patient characteristics and colonoscopic findings n (%) or mean ± SD
| With schistosomiasis | Without schistosomiasis | ||
| (n = 26) | (n = 34) | P value | |
| Gender male/female | 18/8 | 22/12 | |
| Age (yr) | 60.7 ± 10.6 | 63 ± 8.7 | 0.6100 |
| CEA | 4.2 ± 8.8 | 82.9 ± 428.1 | 0.3800 |
| CA19-9 | 10.9 ± 306.5 | 35.1 ± 65.1 | 0.1300 |
| CA-125 | 27.4 ± 3.3 | 12.7 ± 10.0 | 0.0001 |
| Preoperative biopsy | |||
| Carcinoma | 7 (26.9) | 16 (47.1) | |
| Hyperplastic polyps | 5 (19.2) | 8 (23.5) | |
| Villous adenoma | 3 (11.5) | 1 (2.9) | |
| Tubular adenoma | 3 (11.5) | 1 (2.9) | 0.3400 |
| Others | 8 (30.7) | 8 (23.5) | |
| Morphology | |||
| Congestive, Ulcerative | 6 (23.1) | 13 (38.2) | |
| Fungating mass | 12 (46.2) | 8 (23.5) | 0.1600 |
| Cauliflower-like mass | 6 (23.1) | 6 (17.6) | |
| Annular | 2 (7.6) | 7 (20.6) | |
| Tumor stage | |||
| I | 16 (61.5) | 6 (17.6) | |
| II | 6 (23.1) | 10 (29.4) | 0.0030 |
| III | 4 (15.4) | 17 (50) | |
| IV | 0 | 1 (2.9) | |
| Differentiation | |||
| Well | 16 (61.5) | 15 (44.1) | |
| Moderate | 7 (26.9) | 16 (47.1) | 0.4000 |
| Poor | 3 (11.5) | 3 (8.8) | |
| Postoperative pathology | |||
| Adenocarcinoma | 16 (61.5) | 30 (88.2) | |
| Signet-ring cell carcinoma | 7 (7.7) | 0 | 0.1300 |
| Mucinous adenocarcinoma | 3 (30.8) | 4 (11.8) |