Table 1.

Breast Cancer Patients Genotyped and Evaluated for Replication of SNP-Survival Associations, the Shanghai Breast Cancer Study and the Shanghai Breast Cancer Survival Study

Characteristic *	Stage 1 **	Stage 2 **
Patients, N	1,115	5,192
Disease-Free Survival Time, years	5.9 (2.2)	3.8 (1.6)
Overall Survival Time, years	6.5 (1.8)	4.3 (1.3)
Age at Diagnosis, years	47.8 (7.9)	53.2 (9.9)
TNM Stage of Disease
0-I	280 (26.9)	1,840 (38.5)
II	640 (61.4)	2,463 (51.5)
III-IV	123 (11.8)	479 (10.0)
Estrogen Receptor Status
Positive	495 (63.6)	3,248 (64.4)
Negative	283 (36.4)	1,793 (35.6)
Progesterone Receptor Status
Positive	498 (64.8)	2,955 (58.8)
Negative	271 (35.2)	2,069 (41.2)
Surgery
Yes	1,109 (100)	5,149 (99.8)
No	0 (0)	13 (0.3)
Chemotherapy
Yes	1,046 (94.8)	4,696 (91.0)
No	58 (5.3)	466 (9.0)
Radiotherapy
Yes	428 (44.7)	1,592 (30.8)
No	530 (55.3)	3,570 (69.2)
Tamoxifen
Yes	717 (77.6)	2,567 (52.1)
No	207 (22.4)	2,357 (47.9)

^*Mean (standard error) or N (%) for each variable

^**Column percents may not sum to 100 due to rounding error