Research Article

Heterogeneity of Breast Cancer Associations with Common Genetic Variants in FGFR2 according to the Intrinsic Subtypes in Southern Han Chinese Women

Table 3

Association between the selected FGFR2 polymorphisms and breast cancer risk according to intrinsic subtype.

Genotype or alleleControls (%)All breast cancer cases ()Luminal-A cases ()Luminal-B cases ()ER−HER2+ cases ()Triple negative cases ()
()Cases (%) valueaOR (95% CI)Cases (%) valueaOR (95% CI)Cases (%)P valueaOR (95% CI)Cases (%)P valueaOR (95% CI)Cases (%) valueaOR (95% CI)

rs1078806
 T/T448 (51.1%)293 (48.3%)1.00123 (47.1%)1.0052 (46.0%)1.0061 (52.1%)1.0057 (49.1%)1.00
 C/T352 (40.2%)260 (42.8%)6.5 × 10−11.16 (0.93–1.44)117 (44.8%)3.6 × 10−11.24 (0.92–1.66)47 (41.6%)3.9 × 10−11.17 (0.77–1.78)48 (41.0%)3.6 × 10−11.06 (0.70–1.59)48 (41.4%)9.5 × 10−11.11 (0.74–1.68)
 C/C76 (8.7%)54 (8.9%)7.6 × 10−11.06 (0.72–1.56)21 (8.1%)8.5 × 10−10.97 (0.57–1.65)14 (12.4%)1.8 × 10−11.55 (0.82–2.94)8 (6.8%)4.3 × 10−10.73 (0.33–1.60)11 (9.5%)7.3 × 10−11.13 (0.57–2.27)
trend3.7 × 10−14.6 × 10−11.8 × 10−16.5 × 10−16.6 × 10−1
 C/T + C/C428 (48.9%)314 (51.7%)2.2 × 10−11.14 (0.92–1.41)138 (52.9%)2.2 × 10−11.19 (0.90–1.57)61 (54.0%)2.8 × 10−11.24 (0.84–1.84)56 (47.9%)9.7 × 10−10.99 (0.67–1.47)59 (50.9%)5.9 × 10−11.11 (0.75–1.65)
 T1248 (71.2%)846 (69.7%)1.00363 (69.5%)1.00151 (66.8%)1.00170 (72.6%)1.00162 (69.8%)1.00
 C504 (28.8%)368 (30.3%)3.5 × 10−11.08 (0.92–1.27)159 (30.5%)4.7 × 10−11.08 (0.87–1.34)75 (33.2%)1.8 × 10−11.22 (0.91–1.63)64 (27.4%)6.8 × 10−10.94 (0.69–1.27)70 (30.2%)6.1 × 10−11.08 (0.80–1.45)
rs2420946
 C/C323 (38.1%)190 (31.5%)1.001.0035 (31.5%)1.0042 (35.9%)1.0040 (34.5%)1.00
 C/T379 (44.8%)297 (49.2%)1.3 × 10−21.35 (1.07–1.71)131 (50.6%)8.0 × 1031.55 (1.12–2.15)50 (45.0%)3.7 × 10−11.23 (0.78–1.95)63 (53.9%)2.1 × 10−11.31 (0.86–2.01)53 (45.7%)5.7 × 10−11.14 (0.73–1.76)
 T/T145 (17.1%)116 (19.2%)4.7 × 10−21.36 (1.00–1.85)55 (21.2%)1.1 × 1021.69 (1.13–2.53)26 (23.4%)6.9 × 10−21.66 (0.96–2.86)12 (10.3%)1.9 × 10−10.64 (0.32–1.26)23 (19.8%)3.4 × 10−11.31 (0.75–2.27)
trend2.1 × 1025.6 × 1037.6 × 10−25.0 × 10−13.7 × 10−1
 C/T + T/T524 (61.9%)413 (68.5%)7.2 × 1031.35 (1.08–1.69)186 (71.8%)2.5 × 1031.59 (1.17–2.16)76 (68.5%)1.6 × 10−11.35 (0.88–2.07)75 (64.1%)5.7 × 10−11.12 (0.75–1.69)76 (65.5%)4.2 × 10−11.18 (0.78–1.78)
 C1025 (60.5%)677 (56.1%)1.00277 (52.5%)1.00120 (54.1%)1.00147 (62.8%)1.00133 (57.3%)1.00
 T669 (39.5%)529 (43.9%)2.0 × 1021.19 (1.03–1.39)241 (46.5%)5.0 × 1031.32 (1.09–1.61)102 (45.9%)7.4 × 10−21.28 (0.98–1.68)87 (37.2%)5.4 × 10−10.92 (0.69–1.21)99 (42.7%)3.4 × 10−11.14 (0.87–1.50)
rs2981579
 C/C275 (31.4%)153 (25.2%)1.0068 (25.9%)1.0022 (19.6%)1.0031 (26.5%)1.0032 (27.6%)1.00
 T/C415 (47.4%)297 (48.9%)4.0 × 10−21.30 (1.01–1.67)118 (44.9%)3.8 × 10−11.16 (0.83–1.63)59 (52.7%)2.5 × 10−21.80 (1.08–3.00)64 (54.7%)1.7 × 10−11.38 (0.87–2.18)56 (48.3%)5.5 × 10−11.15 (0.72–1.83)
 T/T186 (21.2%)158 (26%)5.0 × 1031.53 (1.14–2.05)77 (29.3%)7.0 × 1031.68 (1.15–2.45)31 (27.7%)1.2 × 1022.09 (1.17–3.73)22 (18.8%)9.1 × 10−11.03 (0.58–1.85)28 (24.1%)3.5 × 10−11.30 (0.75–2.24)
trend3.8 × 1037.8 × 1031.2 × 1027.3 × 10−13.5 × 10−1
 T/C + T/T601 (68.6%)455 (74.8%)8.1 × 1031.37 (1.08–1.73)195 (74.1%)7.6 × 10−21.32 (0.97–1.81)90 (80.4%)7.4 × 1031.89 (1.16–3.08)86 (73.5%)2.8 × 10−11.27 (0.82–1.97) 84 (72.4%)4.1 × 10−11.20 (0.77–1.85)
 C965 (55.1%)603 (49.6%)1.00254 (48.3%)1.00103 (46.0%)1.00126 (53.8%)1.00120 (51.7%)1.00
 T787 (44.9%)613 (50.4%)4.0 × 1031.24 (1.07–1.43)272 (51.7%)8.0 × 1031.29 (1.07–1.57)121 (54.0%)1.1 × 1021.43 (1.08–1.88)108 (46.2%)7.6 × 10−11.04 (0.79–1.37)112 (48.3%)3.4 × 10−11.14 (0.87–1.50)
rs2981582
 C/C370 (43.2%)238 (39.2%)1.0089 (34%)1.0041 (36.6%)1.0057 (48.7%)1.0051 (44%)1.00
 T/C375 (43.8%)266 (43.8%)3.6 × 10−11.11 (0.89–1.40)119 (45.4%)7.1 × 10−21.33 (0.98–1.82)48 (42.9%)4.9 × 10−11.16 (0.75–1.81)52 (44.4%)6.8 × 10−10.92 (0.61–1.38)47 (40.5%)6.5 × 10−10.91 (0.59–1.39)
 T/T111 (13.0%)103 (17.0%)3.3 × 10−21.41 (1.03–1.94)54 (20.6%)1.0 × 1032.01 (1.35–3.01)23 (20.5%)3.3 × 10−21.83 (1.05–3.19)8 (6.8%)4.3 × 1020.45 (0.21–0.98)18 (15.5%)6.6 × 10−11.14 (0.64–2.04)
trend3.1 × 1027.0 × 1044.4 × 10−27.9 × 10−27.9 × 10−1
 T/C + T/T486 (56.8%)369 (60.8%)1.2 × 10−11.18 (0.95–1.47)173 (66%)6.7 × 1031.49 (1.11–1.99)71 (63.4%)1.8 × 10−11.32 (0.88–1.99)60 (51.3%)2.8 × 10−10.81 (0.54–1.19)65 (56.0%)8.4 × 10−10.96 (0.65–1.42)
 C1115 (65.1%)742 (61.1%)1.00297 (56.7%)1.00130 (58.0%)1.00166 (70.9%)1.00149 (64.2%)1.00
 T597 (34.9%)472 (38.9%)4.0 × 1021.17 (1.01–1.36)227 (43.3%)7.0 × 1041.40 (1.15–1.71)94 (42.0%)5.0 × 10−21.32 (1.00–1.74)68 (29.1%)7.5 × 10−20.76 (0.57–1.03)83 (35.8%)8.6 × 10−11.03 (0.77–1.36)

Adjusted for age, age at first full-term pregnancy, menopausal status, and hormonal therapy status.
Abbreviations: OR, odds ratio; CI, confidence interval; ER, estrogen receptor; HER2, human epidermal growth factor receptor 2.