# Urban Rural Differences in Breast Cancer in New Zealand
## 3 Results
\begin{table}
\begin{tabular}{c c c c c c c c c c c c c} \hline \hline \multirow{2}{*}{**Characteristics**} & \multicolumn{6}{c}{**M******ori} & \multicolumn{6}{c}{**NZ European**} \\ \cline{2-13}  & \multicolumn{2}{c}{**Rural**} & \multicolumn{2}{c}{**Urban**} & \multicolumn{2}{c}{**Total**} & \multicolumn{2}{c}{**Rural**} & \multicolumn{2}{c}{**Urban**} & \multicolumn{2}{c}{**Total**} \\ \hline \multicolumn{13}{c}{**Age Groups**} \\ \multicolumn{13}{c}{**+Value**} & \multicolumn{2}{c}{**(Chi-Square Test 0.043**} \\ \cline{2-13} \multirow{2}{*}{\(<\)40} & 23 & 7.4\% & 74 & 8.8\% & 97 & 8.4\% & 95 & 4.9\% & 407 & 5.9\% & 502 & 5.7\% \\
40–49 & 66 & 21.2\% & 238 & 28.2\% & 304 & 26.3\% & 303 & 15.7\% & 1391 & 20.0\% & 1694 & 19.1\% \\
50–59 & 100 & 32.2\% & 264 & 31.3\% & 364 & 31.5\% & 488 & 25.3\% & 1796 & 25.9\% & 2284 & 25.7\% \\
60–69 & 82 & 26.4\% & 183 & 21.7\% & 265 & 22.9\% & 491 & 25.4\% & 1650 & 23.8\% & 2141 & 24.1\% \\
70–79 & 29 & 9.3\% & 72 & 8.5\% & 101 & 8.7\% & 324 & 16.8\% & 926 & 13.3\% & 1250 & 14.1\% \\
80+ & 11 & 33.5\% & 13 & 1.5\% & 24 & 2.1\% & 231 & 12.0\% & 773 & 11.1\% & 1004 & 11.3\% \\ \hline \multicolumn{13}{c}{**Cancer Stage**} \\ \multicolumn{13}{c}{**_p-Value_ (Chi-Square Test 0.076**} \\ I & 112 & 36.0\% & 315 & 37.3\% & 427 & 37.0\% & 837 & 43.3\% & 3136 & 45.2\% & 3973 & 44.8\% \\ II & 112 & 36.0\% & 313 & 37.1\% & 425 & 36.8\% & 726 & 37.6\% & 2546 & 36.7\% & 3272 & 36.9\% \\ III & 53 & 17.0\% & 162 & 19.2\% & 215 & 18.6\% & 279 & 14.4\% & 1003 & 14.4\% & 1282 & 14.4\% \\ IV & 34 & 10.9\% & 54 & 6.4\% & 88 & 7.6\% & 90 & 4.7\% & 258 & 3.7\% & 348 & 3.9\% \\ \hline \multicolumn{13}{c}{**Grade**} \\ \multicolumn{13}{c}{**_p-Value_ (Chi-Square Test 0.065**} \\ 1 & 56 & 19.7\% & 181 & 22.5\% & 237 & 21.7\% & 469 & 26.0\% & 1673 & 25.4\% & 2142 & 25.5\% \\
2 & 158 & 55.6\% & 384 & 47.6\% & 542 & 49.7\% & 905 & 50.1\% & 3009 & 45.6\% & 3914 & 46.6\% \\
3 & 70 & 24.6\% & 241 & 29.9\% & 311 & 28.5\% & 432 & 23.9\% & 1911 & 29.0\% & 2343 & 27.9\% \\ Unknown & 27 & 27 & 38 & & 65 & & 126 & & 350 & & 476 & \\ \hline \multicolumn{13}{c}{**Tumour Size (mm)**} \\ \multicolumn{13}{c}{**_p-Value_ (Chi-Square Test 0.033**} \\ \multicolumn{13}{c}{0–20} & 130 & 48.0\% & 322 & 40.6\% & 452 & 42.4\% & 945 & 52.9\% & 3497 & 52.9\% & 4442 & 52.9\% \\
20+ & 141 & 52.0\% & 472 & 59.4\% & 613 & 57.6\% & 843 & 47.1\% & 3109 & 47.1\% & 3952 & 47.1\% \\ Unknown & 40 & 50 & 90 & 144 & & & 337 & 481 & & \\ \hline \multicolumn{13}{c}{**Mode of detection**} \\ \multicolumn{13}{c}{**_p-Value_ (Chi-Square Test 0.323**} \\ \multicolumn{13}{c}{Not screen detected} & 208 & 66.9\% & 538 & 63.7\% & 746 & 64.6\% & 1170 & 60.6\% & 4209 & 60.6\% & 5379 & 60.6\% \\ Screen detected & 103 & 33.1\% & 306 & 36.3\% & 409 & 35.4\% & 762 & 39.4\% & 2734 & 39.4\% & 3496 & 39.4\% \\ \hline \multicolumn{13}{c}{**ERPR**} \\ \multicolumn{13}{c}{**_p-Value_ (Chi-Square Test 0.389**} \\ \multicolumn{13}{c}{ER and PR negative} \\ \multicolumn{13}{c}{ER and/or PR positive} \\ \multicolumn{13}{c}{251} & 82.0\% & 696 & 84.2\% & 947 & 83.6\% & 1558 & 82.8\% & 5518 & 81.2\% & 7076 & 81.6\% \\ Unknown & 5 & 17 & 22 & 50 & & 150 & 200 & & \\ \hline \multicolumn{13}{c}{**Total**} & 311 & 100\% & 844 & 100\% & 1155 & 100\% & 1932 & 100\% & 6943 & 100\% & 8875 & 100\% \\ \hline \hline \end{tabular}  
* ER: Estrogen receptor; RP: Progesterone receptor; NZ: New Zealand.  
\end{table} 
Table 2: Urban and rural women Maori and NZ European. was significant evidence of interaction between urban-rural residence and survival time on the hazard ratio (\(p\) = 0.029).