From: Association of MTHFR gene polymorphisms with breast cancer survival
 | HR (95% CI)1 | p-value |
---|---|---|
MTHFR diplotypes (n = 198)2 | Â | Â |
   CC/AA + CC/AC (high enzyme activity) | 1 |  |
   Others (low enzyme activity) | 0.61 (0.3–1.22) | 0.16 |
ER-negative (n = 84) | Â | Â |
   CC/AA + CC/AC | 1 |  |
   Others | 0.47 (0.19–1.20) | 0.11 |
ER-positive (n = 114) | Â | Â |
   CC/AA + CC/AC | 1 |  |
   Others C | 0.83 (0.27–2.59) | 0.75 |
African-American (n = 121) | Â | Â |
   CC/AA + CC/AC | 1 |  |
   Others | 0.22 (0.05–0.96) | 0.04 |
Caucasian (n = 77) | Â | Â |
   CC/AA + CC/AC | 1 |  |
   Others | 1.19 (0.36–3.96) | 0.78 |
No Chemotherapy (n = 81) | Â | Â |
   CC/AA + CC/AC | 1 |  |
   Others | 0.54 (0.15–1.96) | 0.35 |
Chemotherapy (n = 117) | Â | Â |
   CC/AA + CC/AC | 1 |  |
   Others | 0.59 (0.25–1.38) | 0.23 |