|  | Univariate | Multivariate | |
---|---|---|---|---|
Variables | n | P value | P value | RR of recurrence (95 percent CI) |
TP53 codon 72 status | 557 | Â | Â | Â |
   Arg/Arg or Arg/Pro |  |  |  | 1.0 (referent) |
   Pro/Pro |  | 0.049 | 0.047 | 1.67 (1.01 to 2.76) |
MDM2 SNP309 status | 557 | Â | Â | Â |
   T/T or T/G |  |  |  | 1.0 (referent) |
   G/G |  | 0.41 | 0.99 | 1.00 (0.57 to 1.75) |
Tumor size | 545 | Â | Â | Â |
   <2 cm |  |  |  | 1.0 (referent) |
   ≥2 cm |  | 0.001 | 0.69 | 1.14 (0.61 to 2.12) |
Lymph node | 519 | Â | Â | Â |
   Negative |  |  |  | 1.0 (referent) |
   Positive |  | <0.0001 | <0.0001 | 4.09 (2.35 to 7.12) |
ER status | 525 | Â | Â | Â |
   Positive |  |  |  | 1.0 (referent) |
   Negative |  | <0.0001 | 0.002 | 2.48 (1.40 to 4.39) |
Grade | 272 | Â | Â | Â |
   1 |  |  |  | 1.0 (referent) |
   2 or 3 |  | 0.009 | 0.29 | 1.50 (0.71 to 3.14) |
p53 IHC status | 268 | Â | Â | Â |
   Negative |  |  |  | 1.0 (referent) |
   Positive |  | 0.18 | 0.14 | 0.64 (0.35 to 1.16) |