| 1 | A | B | C | D | E | F | G | H | I | J |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 2 | number and percentage of female breast cancer tumours diagnosed among patients aged 19 or older with at least one surgical treatment within one year of diagnosis, by age group and province or territory, canada (excluding quebec), 2010 to 2012 |  |  |  |  |  |  |  |  |  |
| 3 |  | 19 to 49 years |  |  | 50 to 69 years |  |  | 70 years and older |  |  |
| 4 |  | linked cctlp tumour cohort | tumours with one or more surgical intervention |  | linked cctlp tumour cohort | tumours with one or more surgical intervention |  | linked cctlp tumour cohort | tumours with one or more surgical intervention |  |
| 5 |  | number | number | percent | number | number | percent | number | number | percent |
| 6 | canada | 10,300 | 9,355 | 90.8 | 25,255 | 23,020 | 91.1 | 14,150 | 11,930 | 84.3 |
| 7 | newfoundland and labrador | 190 | 190 | 98.4 | 560 | 530 | 94.3 | 290 | 245 | 84.1 |
| 8 | prince edward island | 40 | 40 | 97.7 | 180 | 170 | 94.9 | 100 | 85 | 87.6 |
| 9 | nova scotia | 405 | 385 | 95.0 | 1,030 | 970 | 94.4 | 600 | 500 | 82.6 |
| 10 | new brunswick | 250 | 240 | 97.6 | 790 | 755 | 95.3 | 490 | 410 | 83.1 |
| 11 | ontario | 5,530 | 4,890 | 88.3 | 12,930 | 11,550 | 89.3 | 7,165 | 5,915 | 82.5 |
| 12 | manitoba | 430 | 390 | 90.9 | 1,180 | 1,050 | 89.0 | 710 | 580 | 81.4 |
| 13 | saskatchewan | 295 | 270 | 91.5 | 915 | 860 | 94.0 | 665 | 580 | 86.8 |
| 14 | alberta | 1,420 | 1,315 | 92.6 | 3,075 | 2,825 | 91.8 | 1,585 | 1,380 | 86.9 |
| 15 | british columbia | 1,715 | 1,620 | 94.2 | 4,520 | 4,240 | 93.9 | 2,520 | 2,230 | 88.6 |
| 16 | yukon | 10 | 10 | 83.3 | 30 | 30 | 90.6 | 15 | 10 | 69.2 |
| 17 | northwest territories | x | x | 81.3 | 40 | 35 | 91.9 | x | x | 71.4 |
| 18 | nunavut | x | x | 80.0 | 10 | 10 | 100.0 | x | x | 100.0 |

Question: which age group of women has the highest surgical rates?
Answer: 50 to 69 years