Table 1 Distribution of selected characteristics by percentage among 12,390 female breast cancer patients diagnosed in New Zealand during 2000–2013
Characteristic | Stage I | Stage II | Stage III | Stage IV | Total | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
n | % | n | % | n | % | n | % | p | n | % | |
5362 | 43.3 % | 4575 | 36.9 % | 1873 | 15.1 % | 575 | 4.6 % | 12385 | 100.0 % | ||
Age | |||||||||||
<40 | 204 | 25.4 % | 333 | 41.5 % | 218 | 27.1 % | 48 | 6.0 % | <0.001 | 803 | 6.5 % |
40–49 | 1053 | 39.2 % | 1029 | 38.3 % | 492 | 18.3 % | 114 | 4.2 % | 2688 | 21.7 % | |
50–59 | 1603 | 47.8 % | 1144 | 34.1 % | 485 | 14.5 % | 122 | 3.6 % | 3354 | 27.1 % | |
60–69 | 1579 | 55.2 % | 866 | 30.3 % | 311 | 10.9 % | 105 | 3.7 % | 2861 | 23.1 % | |
70–79 | 606 | 38.7 % | 652 | 41.7 % | 202 | 12.9 % | 104 | 6.6 % | 1564 | 12.6 % | |
80+ | 317 | 28.4 % | 551 | 49.4 % | 165 | 14.8 % | 82 | 7.4 % | 1115 | 9.0 % | |
Ethnicity | |||||||||||
NZ European | 4024 | 44.9 % | 3302 | 36.8 % | 1291 | 14.4 % | 351 | 3.9 % | <0.001 | 8968 | 73.3 % |
Māori | 430 | 37.0 % | 428 | 36.8 % | 216 | 18.6 % | 88 | 7.6 % | 1162 | 9.5 % | |
Pacific | 217 | 26.8 % | 319 | 39.4 % | 186 | 23.0 % | 87 | 10.8 % | 809 | 6.6 % | |
Asian | 439 | 44.7 % | 370 | 37.6 % | 140 | 14.2 % | 34 | 3.5 % | 983 | 8.0 % | |
Other | 161 | 51.8 % | 105 | 33.8 % | 31 | 10.0 % | 14 | 4.5 % | 311 | 2.5 % | |
Unknown | 91 | 51 | 9 | 1 | 152 | (1.2 %) | |||||
Menopausal status | |||||||||||
Pre | 1291 | 36.1 % | 1402 | 39.2 % | 738 | 20.6 % | 150 | 4.2 % | <0.001 | 3581 | 29.9 % |
Peri | 288 | 45.2 % | 239 | 37.5 % | 93 | 14.6 % | 17 | 2.7 % | 637 | 5.3 % | |
Post | 3554 | 45.8 % | 2821 | 36.4 % | 998 | 12.9 % | 385 | 5.0 % | 7758 | 64.8 % | |
Unknown | 221 | 111 | 44 | 23 | 399 | (3.2 %) | |||||
Year of diagnosis | |||||||||||
2000–2003 | 1262 | 42.4 % | 1131 | 38.0 % | 467 | 15.7 % | 113 | 3.8 % | 0.001 | 2973 | 24.0 % |
2004–2006 | 1097 | 41.1 % | 1016 | 38.0 % | 436 | 16.3 % | 122 | 4.6 % | 2671 | 21.6 % | |
2007–2009 | 1309 | 43.3 % | 1094 | 36.2 % | 466 | 15.4 % | 156 | 5.2 % | 3025 | 24.4 % | |
2010–2013 | 1694 | 45.6 % | 1334 | 35.9 % | 504 | 13.6 % | 184 | 5.0 % | 3716 | 30.0 % | |
Region | |||||||||||
Auckland | 4270 | 44.3 % | 3509 | 36.4 % | 1439 | 14.9 % | 412 | 4.3 % | <0.001 | 9630 | 77.8 % |
Waikato | 1092 | 39.6 % | 1066 | 38.7 % | 434 | 15.8 % | 163 | 5.9 % | 2755 | 22.2 % | |
Deprivation | |||||||||||
1–2 | 1210 | 46.4 % | 957 | 36.7 % | 353 | 13.5 % | 87 | 3.3 % | <0.001 | 2607 | 21.2 % |
3–4 | 963 | 47.4 % | 726 | 35.8 % | 268 | 13.2 % | 73 | 3.6 % | 2030 | 16.5 % | |
5–6 | 1166 | 44.4 % | 985 | 37.5 % | 372 | 14.2 % | 105 | 4.0 % | 2628 | 21.4 % | |
7–8 | 1020 | 40.8 % | 913 | 36.5 % | 429 | 17.2 % | 139 | 5.6 % | 2501 | 20.4 % | |
9–10 | 940 | 37.5 % | 958 | 38.3 % | 440 | 17.6 % | 166 | 6.6 % | 2504 | 20.4 % | |
Unknown | 63 | 36 | 11 | 5 | 115 | (0.9 %) | |||||
Urban rural | |||||||||||
Main urban | 4064 | 43.7 % | 3421 | 36.8 % | 1417 | 15.2 % | 391 | 4.2 % | <0.001 | 9293 | 75.8 % |
Other urban | 328 | 45.6 % | 262 | 36.4 % | 86 | 12.0 % | 43 | 6.0 % | 719 | 5.9 % | |
Rural | 901 | 40.0 % | 855 | 38.0 % | 358 | 15.9 % | 136 | 6.0 % | 2250 | 18.3 % | |
Unknown | 69 | 37 | 12 | 5 | 123 | (1.0 %) | |||||
Mode of detection | |||||||||||
Screen | 3196 | 67.2 % | 1211 | 25.5 % | 296 | 6.2 % | 51 | 1.1 % | <0.001 | 4754 | 38.4 % |
Non-screen | 2166 | 28.4 % | 3364 | 44.1 % | 1577 | 20.7 % | 524 | 6.9 % | 7631 | 61.6 % | |
Grade | |||||||||||
I | 2003 | 70.1 % | 694 | 24.3 % | 134 | 4.7 % | 26 | 0.9 % | <0.001 | 2857 | 24.4 % |
II | 2324 | 42.7 % | 2137 | 39.2 % | 821 | 15.1 % | 167 | 3.1 % | 5449 | 46.5 % | |
III | 858 | 25.2 % | 1548 | 45.4 % | 820 | 24.1 % | 180 | 5.3 % | 3406 | 29.1 % | |
Unknown | 177 | 196 | 98 | 202 | 673 | (5.4 %) | |||||
ER/PR | |||||||||||
ER/PR Positive | 4526 | 46.1 % | 3545 | 36.1 % | 1381 | 14.1 % | 373 | 3.8 % | <0.001 | 9825 | 81.3 % |
ER & PR Negative | 716 | 31.7 % | 928 | 41.0 % | 471 | 20.8 % | 146 | 6.5 % | 2261 | 18.7 % | |
Unknown | 120 | 102 | 21 | 56 | 299 | (2.4 %) | |||||
HER-2 | |||||||||||
Positive | 465 | 29.2 % | 576 | 36.2 % | 418 | 26.3 % | 132 | 8.3 % | <0.001 | 1591 | 16.7 % |
Equivocal | 99 | 48.5 % | 73 | 35.8 % | 27 | 13.2 % | 5 | 2.5 % | 204 | 2.1 % | |
Negative | 3449 | 44.7 % | 2861 | 37.0 % | 1110 | 14.4 % | 302 | 3.9 % | 7722 | 81.1 % | |
Unknown | 1349 | 1065 | 318 | 136 | 2868 | (23.2 %) | |||||
Histology | |||||||||||
Ductal | 4378 | 44.2 % | 3644 | 36.8 % | 1476 | 14.9 % | 409 | 4.1 % | <0.001 | 9907 | 81.3 % |
Lobular | 480 | 34.3 % | 570 | 40.7 % | 281 | 20.1 % | 68 | 4.9 % | 1399 | 11.5 % | |
Mixed | 19 | 26.8 % | 30 | 42.3 % | 21 | 29.6 % | 1 | 1.4 % | 71 | 0.6 % | |
Other | 450 | 55.9 % | 255 | 31.7 % | 62 | 7.7 % | 38 | 4.7 % | 805 | 6.6 % | |
Unknown | 35 | 76 | 33 | 59 | 203 | (1.6 %) | |||||