Demographic, geographic and clinical variables of patient population
| Variable | No. (%) of patients* n = 2346 |
|---|---|
| Age, yr, mean ± SD (range) | 61.4 ± 12.2 (25–97) |
| Age group, yr | |
| 20–29 | 7 (0.3) |
| 30–39 | 73 (3.1) |
| 40–49 | 346 (14.7) |
| 50–59 | 573 (24.4) |
| 60–69 | 746 (31.8) |
| 70–79 | 430 (18.3) |
| ≥ 80 | 171 (7.3) |
| Year of diagnosis | |
| 2009 | 318 (13.6) |
| 2010 | 383 (16.3) |
| 2011 | 417 (17.8) |
| 2012 | 397 (16.9) |
| 2013 | 441 (18.8) |
| 2014 | 390 (16.6) |
| Stage | |
| 0 | 325 (13.9) |
| I | 956 (40.5) |
| II | 718 (30.6) |
| III | 278 (11.8) |
| IV | 69 (2.9) |
| Regional Health Authority at diagnosis | |
| Eastern Health | 1373 (58.5) |
| Central Health | 509 (21.7) |
| Western Health | 366 (15.6) |
| Labrador-Grenfell Health | 98 (4.2) |
| Surgery type | |
| Breast-conserving | 741 (31.6) |
| Mastectomy | 1605 (68.4) |
| Simple | 653 (27.9) |
| Radical | 952 (40.6) |
SD = standard deviation.
↵* Except where noted otherwise.