highly significantp < 0.001
Figure 2 showed that BMI was not a prognosticator in post-menopausal patients [log-rank test, p = 0.148 ( Figure 2c )], but was a highly significant prognostic factor in pre-menopausal patients [log-rank test, p < 0.001 ( Figure 2b)] or in all patients [log-rank test, p < 0.001 ( Figure 2a )].