Table 2: Characteristics of patients diagnosed with colon or rectal cancer in Scotland between January 2006 to December 2018.
| Total cohort N = 44,875 | Curative cohort N = 24,383 | |||||||||||
| Colon/Sigmoid | Rectal | Colon/Sigmoid | Rectal | |||||||||
| N = 32,691 | N = 12,184 | N = 17,943 | N = 6,440 | |||||||||
| n | % | n | % | n | % | n | % | |||||
| Demographics | ||||||||||||
| Sex | Male | 16,989 | 52.0 | 7,532 | 61.8 | 9,447 | 52.7 | 4,030 | 62.6 | |||
| Female | 15,702 | 48.0 | 4,652 | 38.2 | 8,496 | 47.3 | 2,410 | 37.4 | ||||
| Age | 18–34 | 265 | 0.8 | 91 | 0.7 | 154 | 0.9 | 45 | 0.7 | |||
| 35–44 | 598 | 1.8 | 325 | 2.7 | 325 | 1.8 | 193 | 3.0 | ||||
| 45–54 | 2,360 | 7.2 | 1,227 | 10.1 | 1,402 | 7.8 | 751 | 11.7 | ||||
| 55–64 | 5,722 | 17.5 | 2,754 | 22.6 | 3,462 | 19.3 | 1,647 | 25.6 | ||||
| 65–74 | 9,923 | 30.4 | 3,776 | 31.0 | 6,140 | 34.2 | 2,256 | 35.0 | ||||
| 75–84 | 9,947 | 30.4 | 2,997 | 24.6 | 5,210 | 29.0 | 1,327 | 20.6 | ||||
| 85+ | 3,876 | 11.9 | 1,014 | 8.3 | 1,250 | 7.0 | 221 | 3.4 | ||||
| SIMD Quintile | 1 | 6,296 | 19.3 | 2,368 | 19.4 | 3,237 | 18.0 | 1,123 | 17.4 | |||
| 2 | 6,994 | 21.4 | 2,634 | 21.6 | 3,785 | 21.1 | 1,337 | 20.8 | ||||
| 3 | 7,002 | 21.4 | 2,516 | 20.7 | 3,881 | 21.6 | 1,319 | 20.5 | ||||
| 4 | 6,247 | 19.1 | 2,436 | 20.0 | 3,466 | 19.3 | 1,390 | 21.6 | ||||
| 5 | 6,152 | 18.8 | 2,230 | 18.3 | 3,574 | 19.9 | 1,271 | 19.7 | ||||
| Urban/Rural | Urban | 25,018 | 76.5 | 9,242 | 75.9 | 13,748 | 76.6 | 4,867 | 75.6 | |||
| Remote or Rural | 7,673 | 23.5 | 2,942 | 24.1 | 4,195 | 23.4 | 1,573 | 24.4 | ||||
| Cancer Network | SCAN | 11,344 | 34.7 | 4,110 | 33.7 | 6,871 | 38.3 | 2,350 | 36.5 | |||
| WoSCAN | 13,186 | 40.3 | 4,880 | 40.1 | 6,823 | 38.0 | 2,441 | 37.9 | ||||
| NoSCAN | 8,161 | 25.0 | 3,194 | 26.2 | 4,249 | 23.7 | 1,649 | 25.6 | ||||
| Diagnosis | ||||||||||||
| Tumour stage | I | 4,139 | 12.7 | 2,651 | 21.8 | 3,982 | 22.2 | 2,510 | 39.0 | |||
| II | 8,909 | 27.3 | 2,310 | 19.0 | 8,315 | 46.3 | 2,102 | 32.6 | ||||
| III | 8,035 | 24.6 | 2,524 | 20.7 | 5,646 | 31.5 | 1,828 | 28.4 | ||||
| IV | 7,169 | 21.9 | 1,947 | 16.0 | – | – | – | – | ||||
| Unknown | 4,439 | 13.6 | 2,752 | 22.6 | – | – | – | – | ||||
| Method 1st detection | Screening | 4,432 | 13.6 | 1,799 | 14.8 | 3,641 | 20.3 | 1,399 | 21.7 | |||
| Incidental finding | 983 | 3.0 | 206 | 1.7 | 448 | 2.5 | 83 | 1.3 | ||||
| Clinical presentation | 26,912 | 82.3 | 10,065 | 82.6 | 13,737 | 76.6 | 4,925 | 76.5 | ||||
| Interval cancer, other | 152 | 0.5 | 32 | 0.3 | 152 | 0.5 | 32 | 0.3 | ||||
| Unknown | 212 | 0.6 | 82 | 0.7 | 44 | 0.6 | 82 | 0.7 | ||||
| Year of diagnosis | 2006–2008 | 7,552 | 23.1 | 2,941 | 24.1 | 3,719 | 20.7 | 1,338 | 20.8 | |||
| 2009–2011 | 8,298 | 25.4 | 3,094 | 25.4 | 4,688 | 26.1 | 1,692 | 26.3 | ||||
| 2012–2014 | 7,986 | 24.4 | 2,823 | 23.2 | 4,546 | 25.3 | 1,586 | 24.6 | ||||
| 2015–2018 | 8,855 | 27.1 | 3,326 | 27.3 | 4,990 | 27.8 | 1,824 | 28.3 | ||||
| Treatment | ||||||||||||
| Therapy objectives | Curative | 19,312 | 59.1 | 7,585 | 62.3 | 17,943 | 100.0 | 6,440 | 100.0 | |||
| Palliative | 11,403 | 34.9 | 3,659 | 30.0 | – | – | – | – | ||||
| Unknown | 1,976 | 6.0 | 940 | 7.7 | – | – | – | – | ||||
| Chemotherapy | No | 22,723 | 69.5 | 6,922 | 56.8 | 12,929 | 72.1 | 3,845 | 59.7 | |||
| Yes/planned | 9,654 | 29.5 | 5,136 | 42.2 | 5,014 | 27.9 | 2,595 | 40.3 | ||||
| Not known | 314 | 1.0 | 126 | 1.0 | – | – | – | – | ||||
| Radiotherapy | No | 31,556 | 96.5 | 7,205 | 59.1 | 17,747 | 98.9 | 4,300 | 66.8 | |||
| Yes/planned | 767 | 2.3 | 4,794 | 39.3 | 196 | 1.1 | 2,140 | 33.2 | ||||
| Not known | 368 | 1.1 | 185 | 1.5 | – | – | – | – | ||||
| Surgery | No | 8,145 | 24.9 | 3,360 | 27.6 | – | – | – | – | |||
| Yes/planned | 24,436 | 74.7 | 8,765 | 71.9 | 17,943 | 100.0 | 6,440 | 100.0 | ||||
| Not known | 110 | 0.3 | 59 | 0.5 | – | – | – | – | ||||
| Inpatient episodes | Mean | 1.99 | – | 1.95 | – | 1.98 | – | 1.96 | – | |||
| Comorbidity score | Mean | 0.07 | – | 0.06 | – | 0.05 | – | 0.05 | – | |||