From:  Correlation between histopathological features and recurrence score according to menopausal status in HR+/HER2– breast cancer patients: a retrospective study

 Logistic regression analysis of the recurrence score (RS) as a categorical variable using standard thresholds for high-risk definition according to menopausal status

Pre-menopausal patients (RS threshold 16)Post-menopausal patients (RS threshold 25)
VariableOdds ratio95% CIP-valueVariableOdds ratio95% CIP-value
HistologyHistology
    NST---    NST---
    Lobular1.510.37 to 6.360.58    Lobular1.00--
    Other1.250.19 to 8.250.81    Other0.590.07 to 5.050.63
LVI0.670.21 to 2.100.49LVI0.770.20 to 2.980.70
PNI0.690.20 to 2.360.56PNI0.640.16 to 2.470.51
GradingGrading
    1–2---    1–2---
    31.660.48 to 5.740.42    31.470.45 to 4.860.53
ER%0.930.85 to 1.020.11ER%1.020.86 to 1.210.81
PgR%0.950.93 to 0.980.001PgR%0.950.93 to 0.98< 0.0001
HER2HER2
    0---    0---
    1–20.750.26 to 2.180.60    1–22.540.66 to 9.780.18
Ki67%1.060.10 to 1.120.061Ki67%1.081.01 to 1.160.031

Bold indicates statistically significant P-values (≤ 0.05). CI: confidence interval; NST: non-special type; LVI: lymphovascular invasion; PNI: perineural invasion; ER: estrogen receptor; PgR: progesterone receptor; HER2: human epidermal growth factor-receptor 2