Skip to main content

Table 1 Demographics and clinical characteristics

From: A population-based cohort study on adherence to practice guidelines for adjuvant chemotherapy in colorectal cancer

  Colon Rectum Total
(N) (N) (N)
Age (years (%))       
≤75 7107 (55.8) 3352 (69.9) 10459 (59.7)
>75 5616 (44.1) 1443 (30.1) 7059 (40.3)
Missing data 3 (0.0) -   3 (0.0)
Gender (%)       
Male 6179 (48.6) 2854 (59.5) 9033 (51.6)
Female 6547 (51.4) 1941 (40.5) 8488 (48.4)
Elective surgery (%)       
Yes 10306 (81.0) 4731 (98.7) 15037 (85.8)
No 2419 (19.0) 60 (1.3) 2479 (14.1)
Missing data 1 (0.0) 4 (0.1) 5 (0.0)
Stage* (%)       
II (T3, T4, N0) 6842 (53.8) 2211 (46.1) 9053 (51.7)
III (Any T, N1, N2) 5884 (46.2) 2584 (53.9) 8468 (48.3)
Mucinous (%)       
Yes 2583 (20.3) 651 (13.6) 3234 (18.5)
No 8863 (69.6) 3593 (74.9) 12456 (71.1)
Missing data 1280 (10.0) 551 (11.5) 1831 (10.0)
Examined lymph nodes (%)       
<12 1936 (15.2) 1171 (24.4) 3107 (17.7)
≥12 10644 (83.6) 3571 (74.5) 14215 (81.1)
Missing data 146 (1.1) 53 (1.1) 199 (1.1)
Tumor differentiation* (%)       
Low grade (G1, G2) 9268 (72.8) 3830 (79.9) 13098 (74.8)
High grade (G3, G4) 3004 (23.6) 746 (15.6) 3750 (21.4)
Not indicated 390 (3.1) 193 (4.0) 583 (3.3)
Missing data 64 (0.5) 26 (0.5) 90 (0.5)
ASA (%)       
1 1842 (14.5) 1002 (20.9) 2844 (16.2)
2 6443 (50.6) 2620 (54.6) 9063 (51.7)
3 3719 (29.2) 1010 (21.1) 4729 (27.0)
4 362 (2.8) 66 (1.4) 428 (2.4)
5 4 (0.0) 0 (0.0) 4 (0.0)
Missing data 356 (2.8) 97 (2.0) 453 (2.6)
Region of treatment (%)       
Northern 1164 (9.1) 444 (9.3) 1608 (9.2)
Uppsala/Örebro 2873 (22.6) 1110 (23.1) 3983 (22.7)
Stockholm/Gotland 2380 (18.7) 868 (18.1) 3248 (18.5)
Western 2311 (18.2) 909 (19.0) 3220 (18.4)
South-eastern 1533 (12.0) 558 (11.6) 2091 (11.9)
Southern 2464 (19.4) 906 (18.9) 3370 (19.2)
Missing data 1 (0.0) -   1 (0.0)
  1. Stage II-III colorectal cancer patients operated with resection of the tumor during 2007 to 2012. Data from the Swedish colorectal cancer registry.
  2. *TNM, 7th edition from UICC/AJCC (Union for International Cancer Control/American Joint Committee on Cancert). American Society of Anesthesiologists Physical Status Classification System.