Table 3.

Multivariate analysis of prognostic factors for LRFS

Prognostic factorRelative risk (95% confidence interval)P
Age (continuous)0.816 (0.772-0.862)0.0001*
Axillary lymph nodes
    Negative
    Positive (1-3 nodes)2.819 (1.894-4.196)0.0001*
    Positive (4-10 nodes)
    Positive (>10 nodes)
Anemia
    Hb ≥12 g/dL2.963 (1.410-6.227)0.004*
    Hb <12 g/dL
Tumor stage
    T1
    T21.696 (0.9555-3.011)0.071
    T3
Type of surgery
    Breast-conserving surgery0.372 (0.102-1.350)0.133
    Modified radical mastectomy
Radiotherapy
    No0.686 (0.202-2.327)0.545
    Yes
Estrogen receptor status
    Negative
    Positive0.816 (0.413-1.611)0.558
    Strongly positive
Progesterone receptor status
    Negative
    Positive0.933 (0.534-1.629)0.806
    Strongly positive
Histologic grading
    G1, G2, or unknown1.181 (0.569-2.453)0.655
    G3
  • * Statistically significant.