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Table 1 Number (%) of patients according to basic demographic and tumor characteristics, 1980-2006.

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)

     

   Mean ± SD

54.9 ± 13.4

54.1 ± 12.2

52.7 ± 10.5

0.064

59.8 ± 13.5

Diagnosis year

   

0.261

 

   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*

   

<0.001

 

   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)

  1. * non-missing values only