Table 1.

Univariate survival analysis of commonly used clinical and pathologic variables with 20 year follow-up

Variablen (%)Median survival timeχ2P
Race
    White261 (94%)96.629.830.0017
    Black17 (6%)48.43
Node number
    1-3139 (50%)109.8610.890.0043
    4-981 (29%)73.40
    ≥1058 (21%)48.43
Tumor size (cm)
    ≤2138 (49%)112.165.180.0229
    >2142 (51%)61.37
Age
    ≥50210 (75%)88.440.530.4649
    <5070 (25%)85.98
ER status
    Negative205 (73%)73.403.470.0627
    Positive73 (27%)138.02
PR status
    Negative169 (61%)61.446.380.0116
    Positive109 (39%)138.02
HER2/neu status
    0179 (65%)92.4216.500.0009
    1+55 (20%)154.68
    2+15 (5%)60.45
    3+27 (10%)41.46
Nuclear grade
    Low168 (60%)117.4512.290.0005
    High112 (40%)57.63
Histologic grade
    I13 (5%)153.331.860.3954
    II171 (61%)89.07
    III96 (34%)67.35