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. 2013 Sep 11;2:450. doi: 10.1186/2193-1801-2-450

Table 2.

Associations between SNPs and participant characteristics

All participants N=553
GSTM1 GSTT1 GSTP1
Positive Null Positive Null Ile/Ile Ile/Val Val/Val
BMI (kg/m 2 )
<=25 102 116 52 166 95 103 20
(40.3%) (41.43%) (47.7%) (39.2%) (42.6%) (41.2%) (33.3%)
>25 151 164 57 258 128 147 40
(59.7%) (58.6%) (52.2%) (60.8%) (57.4%) (58.8) (66.7%)
χ2=0.10 P =0.79 χ2=2.62 P =0.11 χ2=1.70 P =0.43
ER a
ER- 45 64 15 94 41 57 11
(19.6%) (25.2%) (14.7%) (24.6%) (19.8%) (25.6%) (20.0%)
ER+ 185 190 87 288 166 165 44
(80.4%) (74.8%) (85.3%) (75.4%) (80.2%) (74.3%) (80.0%)
χ2=2.19 P=0.14 χ2=4.52 P=0.03 χ2=2.34 P=0.31
Stage
Local 192 191 75 308 154 188 41
(75.9%) (68.2%) (68.8%) (72.6%) (67.1%) (75.2%) (68.3%)
Regional 61 89 34 116 69 62 19
(24.1%) (31.8%) (31.2%) (27.4%) (30.9%) (24.8%) (31.7%)
χ2=3.87 P=0.05 χ2=0.63 P=0.42 χ2=2.61 P=0.27
Omitting patients who received surgery only N=407
GSTM1 GSTT1 GSTP1
Positive Null Positive Null Ile/Ile Ile/Val Val/Val
BMI (kg/m 2 )
<=25 72 89 40 121 72 73 16
(37.1%) (41.8%) (46.5%) (37.7%) (40.9%) (39.5%) (34.8%)
>25 122 124 46 200 104 112 30
(62.9%) (58.2%) (53.5%) (62.3%) (59.1%) (60.5) (65.2%)
χ2=0.92 P =0.34 χ2=2.21 P =0.14 χ2=0.57 P =0.75
ER a
ER- 38 57 13 82 36 50 9
(20.5%) (28.6%) (15.3%) (27.4%) (21.4%) (29.1%) (20.5%)
ER+ 147 142 72 217 132 122 35
(79.5%) (71.4%) (84.7%) (72.6%) (78.6%) (70.9%) (79.6%)
χ2=3.38 P=0.06 χ2=5.23 P=0.02 χ2=3.16 P=0.21
Stage
Local 141 136 59 218 113 134 30
(72.7%) (63.9%) (68.6%) (67.9%) (64.2%) (72.4%) (65.2%)
Regional 53 77 27 103 63 51 16
(27.3%) (36.1%) (31.4%) (32.1%) (35.8%) (27.68%) (34.8%)
χ2=3.64 P=0.06 χ2=0.01 P=0.91 χ2=3.00 P=0.22

a Omitted 49 participants with unknown ER status’.