From: Breast cancer treatment and ethnicity in British Columbia, Canada
 | Ethnic Group |  |  | ||
---|---|---|---|---|---|
 | Chinese (n = 1,958) | South Asian (n = 915) | Iranian (n = 136) | P-value | General Population |
Age at diagnosis (yrs) | Â | Â | Â | Â | Â |
   Mean ± SD | 54.9 ± 13.4 | 54.1 ± 12.2 | 52.7 ± 10.5 | 0.064 | 59.8 ± 13.5 |
Diagnosis year | Â | Â | Â | 0.261 | Â |
   1980-1989 | 216 (11.0) | 119 (13.0) | 11 (8.1) |  | 9,274 (24.6) |
   1990-1999 | 805 (41.1) | 353 (38.6) | 61 (44.9) |  | 14,928 (39.6) |
   2000-2006 | 937 (47.9) | 443 (48.4) | 64 (47.1) |  | 13,478 (35.8) |
Stage* | Â | Â | Â | <0.001 | Â |
   I | 808 (45.9) | 271 (32.6) | 52 (43.7) |  | 15,813 (42.0) |
   II | 695 (39.5) | 395 (47.5) | 53 (44.5) |  | 16,137 (42.8) |
   III | 103 (5.9) | 69 (8.3) | 6 (5.0) |  | 3,690 (9.8) |
   IV | 153 (8.7) | 97 (11.7) | 8 (6.7) |  | 2,040 (5.4) |