Table 5

Multivariate Cox regression models for disease-free survival and overall survival in invasive lobular carcinoma patients


DFS
OS


Parameter
RR (95% CI)
P
RR (95% CI)
P

Nodes




     0
1
<0.0001
1
<0.0001
     1–3
2.2 (1.6–3.2)

1.4 (1.1–1.9)

     >3
4.1 (2.9–5.7)

2.2 (1.7–2.9)

Tumor size (cm)




     ≤2
1
<0.0001
1
<0.0001
     >2
1.9 (1.4–2.6)

1.6 (1.3–2.1)

Age (years)




     ≤50
-
NS
1
<0.0001
     >50
-

2.3 (1.7–3.1)

S-phase




     Low
1
0.002
1
<0.0293
     Intermediate–high
1.7 (1.3–2.2)

1.3 (1.0–1.6)

PgR




     Positive
1
0.003
-
NS
     Negative
1.5 (1.1–1.9)

-

ER




     Positive
-
NS
1
0.0006
     Negative
-

1.9 (1.3–2.8)

Ploidy




     Diploid
1
0.03
-
NS
     Aneuploid
1.7 (1.3–2.2)

-


CI, confidence interval; DFS, disease-free survival; ER, estrogen receptor; NS, not significant; OS, overall survival; PgR, progesterone receptor; RR, relative risk.

Arpino et al. Breast Cancer Res 2004 6:R149  

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