From: Association of MTHFR gene polymorphisms with breast cancer survival
 | Person-years1 | # events2 | HR (95% CI)3 | p-value |
---|---|---|---|---|
C677T genotype (n = 198) | Â | Â | Â | Â |
   C/C |  |  | 1 |  |
   C/T or T/T | 873 | 46 | 0.65 (0.31–1.35) | 0.25 |
ER-negative (n = 84) | Â | Â | Â | Â |
   C/C |  |  | 1 |  |
   C/T or T/T | 352 | 29 | 0.36 (0.12–1.04) | 0.06 |
ER-positive (n = 114) | Â | Â | Â | Â |
   C/C |  |  | 1 |  |
   C/T or T/T | 521 | 17 | 1.12 (0.35–3.59) | 0.82 |
African-American (n = 121) | Â | Â | Â | Â |
   C/C |  |  | 1 |  |
   C/T or T/T | 520 | 29 | 0.12 (0.02–0.92) | 0.04 |
Caucasian (n = 77) | Â | Â | Â | Â |
   C/C |  |  | 1 |  |
   C/T or T/T | 352 | 17 | 1.89 (0.57–6.32) | 0.3 |
No Chemotherapy (n = 81) | Â | Â | Â | Â |
   C/C |  |  | 1 |  |
   C/T or T/T | 394 | 13 | 0.88 (0.21–3.74) | 0.87 |
Chemotherapy (n = 117) | Â | Â | Â | Â |
   C/C |  |  | 1 |  |
   C/T or T/T | 479 | 33 | 0.55 (0.22–1.34) | 0.19 |