Table 1.

Multivariate Cox proportional hazards analysis of MGI in entire cohort

VariableHazard ratio (95% confidence interval)P
MGIHigh vs low4.7 (2.1-10.8)0.0002
Tumor size>2 cm vs <2 cm0.8 (0.4-1.5)0.4580
Tumor grade0.0011
II vs I1.6 (0.5-5.2)0.4331
III vs I5.6 (1.5-20.6)0.0105
Age≥35 y vs <35 y0.7 (0.2-1.9)0.4687
Node statusPos. vs neg.1.2 (0.6-2.3)0.5581
Treatment0.5733
Chemo vs none0.9 (0.4-2.4)0.8837
Endo vs none1.5 (0.5-4.5)0.4406
Chemo + endo vs none1.0 (0.3-3.5)0.9939
  • Abbreviations: Pos, positive; Neg, negative; Chemo, chemoteraphy; Endo, endocrine therapy.