Table 1.
Surgery (surgery cases) | Radiotherapy (radiotherapy cases) | Chemotherapy (chemotherapy cases) | Any treatment (surgery cases) | |||||||||||||||||||||
n | ≤30 | 31–60 | 61–90 | ≥90 | P value | n | ≤30 | 31–60 | 61–90 | ≥90 | P value | n | ≤30 | 31–60 | 61–90 | ≥90 | P value | n | ≤30 | 31–60 | 61–90 | ≥90 | P value | |
All cases | 1675 | 59.0 | 21.2 | 6.0 | 13.9 | – | 616 | 20.9 | 37.8 | 17.4 | 23.9 | – | 1556 | 15.3 | 40.7 | 24.6 | 19.5 | – | 1675 | 61.7 | 25.6 | 7.1 | 5.6 | – |
Age at diagnosis (years) | ||||||||||||||||||||||||
<50 | 91 | 59.3 | 11.0 | 4.4 | 25.3 | <0.001 | 79 | 24.1 | 45.6 | 7.6 | 22.8 | 0.042 | 189 | 19.6 | 47.1 | 19.0 | 14.3 | <0.001 | 91 | 65.9 | 22.0 | 3.3 | 8.8 | 0.048 |
50–59 | 210 | 52.9 | 20.0 | 5.7 | 21.4 | 118 | 22.0 | 40.7 | 17.8 | 19.5 | 322 | 16.5 | 44.1 | 20.5 | 18.9 | 210 | 58.7 | 28.4 | 7.7 | 5.3 | ||||
60–69 | 388 | 52.3 | 22.9 | 5.9 | 18.8 | 188 | 20.7 | 35.6 | 12.3 | 22.3 | 498 | 16.1 | 38.0 | 26.7 | 19.3 | 388 | 57.1 | 29.1 | 6.8 | 7.0 | ||||
70–79 | 570 | 61.1 | 23.0 | 5.6 | 10.4 | 175 | 20.1 | 36.0 | 16.0 | 28.0 | 469 | 12.6 | 39.0 | 26.7 | 21.7 | 570 | 61.9 | 26.2 | 7.2 | 4.8 | ||||
80+ | 416 | 65.4 | 20.0 | 7.0 | 7.7 | 56 | 17.9 | 33.9 | 21.4 | 26.8 | 78 | 11.5 | 38.5 | 28.2 | 21.8 | 416 | 66.1 | 21.2 | 7.7 | 5.1 | ||||
Sex | ||||||||||||||||||||||||
Males | 893 | 56.0 | 21.9 | 5.9 | 16.1 | 0.003 | 400 | 19.8 | 38.5 | 18.0 | 23.8 | 0.567 | 910 | 16.3 | 39.0 | 23.8 | 20.9 | 0.649 | 893 | 59.2 | 27.3 | 7.1 | 6.4 | 0.017 |
Females | 782 | 62.4 | 20.3 | 6.0 | 11.3 | 216 | 23.1 | 36.6 | 16.2 | 24.1 | 646 | 13.9 | 43.0 | 25.5 | 17.5 | 782 | 64.4 | 23.8 | 7.0 | 4.7 | ||||
Socioeconomic | ||||||||||||||||||||||||
Low | 544 | 56.3 | 22.8 | 5.9 | 15.1 | 0.118 | 206 | 16.0 | 43.2 | 18.9 | 21.8 | 0.826 | 507 | 13.4 | 39.4 | 26.4 | 20.7 | 0.664 | 544 | 58.8 | 28.0 | 6.6 | 6.6 | 0.104 |
Low-medium | 388 | 60.3 | 19.8 | 6.7 | 13.1 | 137 | 24.8 | 36.5 | 16.8 | 21.9 | 374 | 16.6 | 44.9 | 21.9 | 16.6 | 388 | 62.7 | 24.9 | 7.0 | 5.4 | ||||
Medium-high | 345 | 58.6 | 21.4 | 5.5 | 14.5 | 128 | 24.2 | 35.2 | 18.8 | 21.9 | 320 | 16.3 | 40.0 | 27.5 | 16.3 | 345 | 61.9 | 24.1 | 8.1 | 5.8 | ||||
High | 398 | 61.8 | 20.1 | 5.8 | 12.3 | 145 | 21.4 | 33.8 | 14.5 | 30.3 | 355 | 15.8 | 38.6 | 22.0 | 23.7 | 398 | 64.4 | 24.5 | 6.8 | 4.3 | ||||
Accessibility | ||||||||||||||||||||||||
High | 1353 | 58.9 | 20.4 | 6.4 | 14.3 | 0.584 | 475 | 22.1 | 36.4 | 16.8 | 24.6 | 0.764 | 1223 | 16.4 | 40.3 | 24.0 | 19.3 | 0.12 | 1353 | 61.8 | 25.1 | 7.3 | 5.9 | 0.992 |
Medium-high | 228 | 61.0 | 23.2 | 3.9 | 11.8 | 94 | 17.0 | 44.7 | 21.3 | 17.0 | 228 | 10.1 | 41.2 | 28.1 | 20.6 | 228 | 62.1 | 27.3 | 6.6 | 4.0 | ||||
Poor | 94 | 55.3 | 27.7 | 4.3 | 12.8 | 47 | 17.0 | 38.3 | 14.9 | 29.8 | 105 | 13.3 | 43.8 | 23.8 | 19.0 | 94 | 58.5 | 29.8 | 5.3 | 6.4 | ||||
Local health network | ||||||||||||||||||||||||
Northern metro | 242 | 45.9 | 24.4 | 12.0 | 17.8 | 0.026 | 106 | 18.9 | 34.9 | 19.8 | 26.4 | 0.12 | 248 | 16.1 | 41.5 | 24.2 | 7.3 | 0.004 | 242 | 49.6 | 30.4 | 12.1 | 7.9 | <0.001 |
Central metro | 618 | 61.7 | 20.2 | 6.8 | 11.3 | 202 | 21.8 | 32.7 | 17.8 | 27.7 | 495 | 17.8 | 36.6 | 26.5 | 19.2 | 618 | 64.1 | 24.0 | 7.3 | 4.7 | ||||
Southern metro | 417 | 64.3 | 17.7 | 3.4 | 14.6 | 134 | 25.4 | 40.3 | 14.2 | 20.1 | 426 | 16.7 | 42.7 | 20.7 | 20.0 | 417 | 66.8 | 23.0 | 4.8 | 5.3 | ||||
Country South | 155 | 52.9 | 27.7 | 1.9 | 17.4 | 74 | 25.7 | 40.5 | 14.9 | 18.9 | 159 | 8.8 | 41.5 | 28.3 | 21.4 | 155 | 56.5 | 31.2 | 3.9 | 8.4 | ||||
Country North | 241 | 60.2 | 22.0 | 5.0 | 12.9 | 100 | 11.2 | 46.9 | 19.4 | 22.4 | 228 | 11.0 | 44.5 | 25.1 | 19.4 | 241 | 61.9 | 26.2 | 7.4 | 4.5 | ||||
Subsite | ||||||||||||||||||||||||
Colon | 1098 | 65.0 | 22.1 | 4.9 | 7.9 | <0.001 | 86 | 11.6 | 12.8 | 14.0 | 61.6 | <0.001 | 898 | 13.1 | 40.2 | 27.4 | 19.3 | 0.018 | 1098 | 66.2 | 23.4 | 6.0 | 4.5 | <0.001 |
Rectum | 577 | 47.5 | 19.4 | 8.0 | 25.1 | 530 | 22.5 | 41.9 | 17.9 | 17.7 | 658 | 18.2 | 41.3 | 20.7 | 19.8 | 577 | 53.1 | 29.9 | 9.2 | 7.8 | ||||
ACPS stage | ||||||||||||||||||||||||
A | 280 | 53.9 | 30.4 | 7.9 | 7.9 | 0.460 | 50 | 24.0 | 44.0 | 14.0 | 18.0 | 0.114 | 47 | 25.5 | 36.2 | 21.3 | 17.0 | 0.003 | 280 | 55.4 | 32.5 | 7.9 | 4.3 | 0.114 |
B | 654 | 61.5 | 23.9 | 4.7 | 9.9 | (A-D) | 147 | 21.1 | 38.8 | 21.8 | 18.4 | 249 | 13.3 | 40.2 | 27.7 | 18.9 | 654 | 63.3 | 26.7 | 5.7 | 4.3 | |||
C | 412 | 55.6 | 17.2 | 6.8 | 20.4 | 231 | 16.0 | 40.7 | 21.2 | 22.1 | 696 | 6.6 | 47.3 | 27.6 | 18.5 | 412 | 58.9 | 25.6 | 8.8 | 6.8 | ||||
D | 279 | 63.8 | 12.5 | 5.0 | 18.6 | 162 | 25.9 | 29.0 | 10.5 | 34.6 | 516 | 26.6 | 33.1 | 19.6 | 20.7 | 279 | 68.6 | 17.3 | 6.5 | 7.6 | ||||
UK | 50 | 51.5 | 18.2 | 12.1 | 18.2 | 26 | 27.3 | 59.1 | 4.5 | 9.1 | 48 | 26.9 | 34.6 | 15.4 | 23.1 | 50 | 59.2 | 20.4 | 10.2 | 10.2 | ||||
Diagnosis years | ||||||||||||||||||||||||
2000–2005 | 869 | 65.0 | 17.5 | 5.4 | 12.1 | <0.001 | 335 | 23.9 | 34.0 | 15.8 | 26.3 | 0.898 | 782 | 17.4 | 44.2 | 21.2 | 17.1 | <0.001 | 869 | 68.0 | 21.4 | 6.2 | 4.4 | <0.001 |
2006–2010 | 806 | 52.5 | 25.2 | 6.6 | 17.8 | 281 | 17.4 | 42.3 | 19.2 | 21.0 | 774 | 13.2 | 37.1 | 27.9 | 21.8 | 806 | 54.8 | 30.3 | 8.0 | 7.0 |
*Excludes cases where insufficient data on date of diagnosis (see ‘Methods’)
ACPS, Australian Clinico-Pathological Staging; UK, unknown.