Variable | All cases (N = 46,166) | Cigarette smoking status | ||
---|---|---|---|---|
Ever (n = 10,712) | Never (n = 35,454) | P value | ||
Age, years | .14 a | |||
18−39 | 2359 (5.11%) | 371 (3.46%) | 1988 (5.61%) | |
40−59 | 18,028 (39.05%) | 4438 (41.43%) | 13,590 (38.33%) | |
60−79 | 23,297 (50.46%) | 5504 (51.38%) | 17,793 (50.19%) | |
≥ 80 | 2482 (5.38%) | 399 (3.72%) | 2083 (5.88%) | |
Sex | < .001 | |||
Male | 27,869 (60.37%) | 10,202 (95.24%) | 17,667 (49.83%) | |
Female | 18,297 (39.63%) | 510 (4.76%) | 17,787 (50.17%) | |
Year of diagnosis | < .001 | |||
2000−2011 | 5962 (12.91%) | 1131 (10.56%) | 4831 (13.63%) | |
2012−2014 | 18,822 (40.77%) | 4274 (39.90%) | 14,548 (41.03%) | |
2015−2018 | 21,382 (46.32%) | 5307 (49.54%) | 16,075 (45.34%) | |
Primary tumor location | < .001 | |||
Cecum, ascending and transverse colon cancer | 6393 (13.85%) | 1175 (10.97%) | 5218 (14.72%) | |
Splenic flexure, descending and sigmoid colon cancer | 10,548 (22.85%) | 2378 (22.20%) | 8170 (23.04%) | |
Rectum | 29,225 (63.30%) | 7159 (66.83%) | 22,066 (62.24%) | |
Primary tumor sidedness | < .001 | |||
Right-sided | 6393 (13.85%) | 1175 (10.97%) | 5218 (14.72%) | |
Left-sided | 39,773 (86.15%) | 9537 (89.03%) | 30,236 (85.28%) | |
Alcohol intake history | < .001 | |||
No | 37,819 (81.92%) | 4701 (43.89%) | 33,118 (93.41%) | |
Yes | 8347 (18.08%) | 6011 (56.11%) | 2336 (6.59%) | |
Metastasis at diagnosis | < .001 | |||
No | 15,523 (33.62%) | 3440 (32.11%) | 12,083 (34.08%) | |
Yes | 8567 (18.56%) | 1889 (17.63%) | 6678 (18.84%) | |
Unknown | 22,076 (47.82%) | 5383 (50.25%) | 16,693 (47.08%) | |
Family history | < .001 | |||
Yes | 4264 (9.24%) | 1256 (11.73%) | 3008 (8.48%) | |
No | 41,902 (90.76%) | 9456 (88.27%) | 32,446 (91.52%) |