Table I.
Analysis of data from the gallstone only, gallstone and CRC, and CRC only groups.
| Characteristic | Gallstone only (n=414) | Gallstone and CRC (n=19) | CRC only (n=184) | P-value |
|---|---|---|---|---|
| Sex, n (%) | 0.001a | |||
| Female | 284 (68.6) | 11 (57.9) | 67 (36.4) | |
| Male | 130 (31.4) | 8 (42.1) | 117 (63.6) | |
| Mean age ± SD, years | 53.6±16.0 | 65.7±8.1 | 66.1±11.9 | 0.001a |
| Year, n (%)b | 0.627 | |||
| 2015 | 146 (97.3) | 4 (2.7) | 59 | |
| 2016 | 154 (95.1) | 8 (4.9) | 67 | |
| 2017 | 114 (94.3) | 7 (5.7) | 58 | |
| Age group in years, n (%)b | 0.001a | |||
| <40 | 91 (100.0) | 0 (0.0) | 2 | |
| 40-49 | 70 (98.6) | 1 (1.4) | 17 | |
| 50-59 | 84 (95.5) | 4 (4.5) | 32 | |
| 60-69 | 105 (93.7) | 7 (6.3) | 61 | |
| 70-79 | 49 (87.5) | 7 (12.5) | 43 | |
| >80 | 15(100) | 0 (0.0) | 29 | |
| Obesity, n (%) | 92 (22.2) | 4 (21.1) | 10 (5.4) | 0.001a |
| Medical comorbidities | ||||
| Diabetes mellitus | 33 (8.0) | 4 (21.1) | 12 (6.5) | 0.096 |
| Hypertension | 78 (18.8) | 5 (26.3) | 40 (19.7) | 0.118 |
| Thyroid disease | 8 (1.9) | 3 (15.8) | 4 (2.2) | 0.013a |
| Liver disease | 10 (2.4) | 0 (0.0) | 5 (2.7) | 0.692 |
| Tumor location | 0.002a | |||
| Ascending colon | 9 (47.4) | 38 (20.7) | ||
| Transverse colon | 5 (26.3) | 24 (13.0) | ||
| Descending and sigmoid colon | 4 (21.1) | 49 (26.6) | ||
| Rectum | 1 (5.3) | 73 (39.7) | ||
| Bowel obstruction | 2 (10.5) | 26 (14.1) | >0.999 | |
| Cholecystitisb | ||||
| Acute cholecystitis | 365 (97.1) | 11 (2.9) | 0.001a | |
| Chronic cholecystitis | 49 (86.0) | 8 (14.0) |
aP<0.05.
bPercentage of cases in the gallstone and CRC group compared with the gallstone only group is shown. CRC, colorectal cancer.