From: Association of MTHFR gene polymorphisms with breast cancer survival
 | African-American n (%) | Caucasian n (%) | p-value2 | Combined n (%) |
---|---|---|---|---|
C677T | Â | Â | Â | Â |
   C/C | 114 (81) | 49 (48) | < 0.001 | 163 (67) |
   C/T | 27 (19) | 44 (43) |  | 71 (29) |
   T/T | 0 | 9 (9) |  | 9 (4) |
A1298C | Â | Â | Â | Â |
   A/A | 98 (69) | 37 (36) | < 0.001 | 135 (56) |
   A/C | 38 (27) | 49 (48) |  | 87 (36) |
   C/C | 5 (4) | 16 (16) |  | 21 (8) |