Skip to main content

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)  
III 3721 (39) 1937 (38) 1784 (40)  
T stage 1 1526 (16) 715 (14) 811 (18) <0.0001
2 1030 (11) 558 (11) 472 (11)  
3 5075 (53) 2741 (54) 2334 (52)  
4 1868 (20) 1031 (20) 837 (19)  
N Stage 0 5788 (61) 3114 (62) 2674 (60) 0.06
1 3065 (32) 1576 (31) 1489 (33)  
2 656 (7) 361 (7) 295 (7)  
Grade Well differentiated 1244 (13) 635 (13) 609 (14) <0.0001
Mod. differentiated 6648 (70) 3278 (65) 3370 (76)  
Poorly Differentiated 1617 (17) 1138 (23) 479 (11)  
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)  
Sex Male 4913 (52) 2317 (46) 2596 (58) <0.0001
Female 4596 (48) 2734 (54) 1862 (42)  
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)  
Adjuvant Chemotherapy None 1775 (19) 955 (46) 820 (40) 0.0002
Fluorouracil based 1098 (12) 553 (27) 545 (27)  
Oxaliplatin doublet 1233 (13) 568 (27) 665 (33)  
  Unknowna 5403 2975 2428  
Year Diagnosed 2006–2009 5018 (53) 2644 (52) 2374 (53) 0.38
2010–2013 4491 (47) 2407 (48) 2084 (47)  
Totals   9509 5051 (53) 4458 (47)  
  1. aNot included in multivariate analysis in chemotherapy cohort