Alla | Non-Hispanic | African American | Hispanic | |
---|---|---|---|---|
N(%) | White N(%) | N(%) | N(%) | |
533 | 305 | 151 | 60 | |
Study Site | ||||
Western Washington | 99 | 83 | 0 | 2 |
New Mexico | 283 | 222 | 0 | 58 |
Los Angeles | 151 | 0 | 151 | 0 |
Body mass index (BMI) (kg/m 2 ) | ||||
Mean (s.d) | 27.8 (6.4) | 26.5 (5.7) | 30.7 (7.4) | 27.1 (4.7) |
Age (years) | ||||
Mean (s.d.) | 57.6 (10.7) | 60.6 (10.9) | 52.4 (7.9) | 56.2 (11.3) |
Estrogen receptor (ER) status | ||||
Negative | 109 | 43 | 52 | 13 |
Positive | 375 | 237 | 88 | 36 |
Unknown | 49 | 25 | 11 | 11 |
SEER b summary stage | ||||
Local | 383 | 241 | 85 | 46 |
Regional | 150 | 64 | 66 | 14 |
Treatment at diagnosis | ||||
Surgery | 126 | 69 | 37 | 18 |
Surgery and radiotherapy | 203 | 138 | 37 | 21 |
Any chemotherapy | 204 | 98 | 77 | 21 |
GSTM1 | ||||
Null Genotype | 280 (52.5) | 138 (45.3) | 109 (72.2) | 28 (46.7) |
Positive Genotype | 253 (47.5) | 167 (54.7) | 42 (27.8) | 32 (53.3) |
χ2 = 34.36 P<0.0001 | ||||
GSTT1 | ||||
Null Genotype | 424 (79.6) | 249 (81.6) | 115 (76.2) | 49 (81.7) |
Positive Genotype | 109 (20.4) | 56 (18.4) | 36 (23.8) | 11 (18.3) |
χ2 = 4.35 P=0.22 | ||||
GSTP1 | ||||
Wildtype (Ile/Ile) | 223 (41.8) | 137 (44.9) | 53 (35.1) | 27 (45.0) |
Heterozygous (Ile/Val) | 250 (46.9) | 137 (44.9) | 76 (50.3) | 27 (45.0) |
Homozygous (Val/Val) | 60 (11.3) | 31 (10.2) | 22 (14.6) | 6 (10.0) |
χ2 = 6.16 P=0.41 |