Table 1 Patient characteristics (n = 9509)
From: Sidedness is prognostic in locoregional colon cancer: an analysis of 9509 Australian patients
Characteristic | All Patients (%) | Right sided tumour (%) | Left sided tumour (%) | P value | |
|---|---|---|---|---|---|
TNM stage | I | 2104 (22) | 1055 (21) | 1049 (24) | <0.0001 |
II | 3684 (39) | 2059 (41) | 1625 (36) | Â | |
III | 3721 (39) | 1937 (38) | 1784 (40) | Â | |
T stage | 1 | 1526 (16) | 715 (14) | 811 (18) | <0.0001 |
2 | 1030 (11) | 558 (11) | 472 (11) | Â | |
3 | 5075 (53) | 2741 (54) | 2334 (52) | Â | |
4 | 1868 (20) | 1031 (20) | 837 (19) | Â | |
N Stage | 0 | 5788 (61) | 3114 (62) | 2674 (60) | 0.06 |
1 | 3065 (32) | 1576 (31) | 1489 (33) | Â | |
2 | 656 (7) | 361 (7) | 295 (7) | Â | |
Grade | Well differentiated | 1244 (13) | 635 (13) | 609 (14) | <0.0001 |
Mod. differentiated | 6648 (70) | 3278 (65) | 3370 (76) | Â | |
Poorly Differentiated | 1617 (17) | 1138 (23) | 479 (11) | Â | |
Age group | ≤60 | 1925 (20) | 798 (16) | 1127 (25) | <0.0001 |
61–70 | 2423 (25) | 1189 (24) | 1234 (28) |  | |
71–80 | 2814 (30) | 1600 (32) | 1214 (27) |  | |
>80 | 2347 (25) | 1464 (29) | 883 (20) | Â | |
Sex | Male | 4913 (52) | 2317 (46) | 2596 (58) | <0.0001 |
Female | 4596 (48) | 2734 (54) | 1862 (42) | Â | |
Charlson Comorbidity Index | 0 | 5957 (63) | 3027 (60) | 2930 (66) | <0.0001 |
1–2 | 5083 (22) | 1172 (23) | 911 (20) |  | |
3–4 | 1023 (11) | 596 (12) | 427 (10) |  | |
5 | 446 (5) | 256 (5) | 190 (4) | Â | |
Adjuvant Chemotherapy | None | 1775 (19) | 955 (46) | 820 (40) | 0.0002 |
Fluorouracil based | 1098 (12) | 553 (27) | 545 (27) | Â | |
Oxaliplatin doublet | 1233 (13) | 568 (27) | 665 (33) | Â | |
| Â | Unknowna | 5403 | 2975 | 2428 | Â |
Year Diagnosed | 2006–2009 | 5018 (53) | 2644 (52) | 2374 (53) | 0.38 |
2010–2013 | 4491 (47) | 2407 (48) | 2084 (47) |  | |
Totals | Â | 9509 | 5051 (53) | 4458 (47) | Â |