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©The Author(s) 2023.
World J Gastrointest Oncol. Nov 15, 2023; 15(11): 1864-1873
Published online Nov 15, 2023. doi: 10.4251/wjgo.v15.i11.1864
Published online Nov 15, 2023. doi: 10.4251/wjgo.v15.i11.1864
Table 1 Comparison of the features of metachronous and synchronous cancers
| Characteristics | Overall, n = 76 | Metachronous, n = 30 | Synchronous, n = 46 | P value | |
| Age (yr) (%) | ≤ 65 | 35 (46.1) | 15 (50.0) | 20 (43.5) | 0.747 |
| > 65 | 41 (53.9) | 15 (50.0) | 26 (56.5) | ||
| Sex (%) | Female | 24 (31.6) | 9 (30.0) | 15 (32.6) | 1.000 |
| Male | 52 (68.4) | 21 (70.0) | 31 (67.4) | ||
| Location of gastric cancer (%) | Lower | 40 (52.6) | 17 (56.7) | 23 (50.0) | 0.850 |
| Middle | 11 (14.5) | 4 (13.3) | 7 (15.2) | ||
| Upper | 25 (32.9) | 9 (30.0) | 16 (34.8) | ||
| Stage of gastric cancer (%) | 0-II | 51 (67.1) | 21 (70.0) | 30 (65.2) | 0.854 |
| III-IV | 25 (32.9) | 9 (30.0) | 16 (34.8) | ||
| Resection of gastric cancer (%) | No | 22 (28.9) | 7 (23.3) | 15 (32.6) | 0.540 |
| Yes | 54 (71.1) | 23 (76.7) | 31 (67.4) | ||
| Location of colorectal cancer (%) | Left hemicolon | 6 (7.9) | 2 (6.7) | 4 (8.7) | 0.121 |
| Rectum | 27 (35.5) | 14 (46.7) | 13 (28.3) | ||
| Right hemicolon | 24 (31.6) | 5 (16.7) | 19 (41.3) | ||
| Sigmoid colon | 19 (25.0) | 9 (30.0) | 10 (21.7) | ||
| Stage of colorectal cancer (%) | 0-II | 44 (57.9) | 16 (53.3) | 28 (60.9) | 0.680 |
| III-IV | 32 (42.1) | 14 (46.7) | 18 (39.1) | ||
| Resection of colorectal cancer (%) | No | 14 (18.4) | 1 (3.3) | 13 (28.3) | 0.0151 |
| Yes | 62 (81.6) | 29 (96.7) | 33 (71.7) | ||
- Citation: Lin YJ, Chen HX, Zhang FX, Hu XS, Huang HJ, Lu JH, Cheng YZ, Peng JS, Lian L. Features of synchronous and metachronous dual primary gastric and colorectal cancer. World J Gastrointest Oncol 2023; 15(11): 1864-1873
- URL: https://www.wjgnet.com/1948-5204/full/v15/i11/1864.htm
- DOI: https://dx.doi.org/10.4251/wjgo.v15.i11.1864