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. Author manuscript; available in PMC: 2012 Mar 1.
Published in final edited form as: Clin Cancer Res. 2011 Jan 13;17(5):1082–1089. doi: 10.1158/1078-0432.CCR-10-2560

Table 3. Survival Estimates.

Recurrence-Free Survival Estimates

N at risk N Events 5-Year Estimate 95% Confidence Interval P-Value
All 33 57.8 % (47.3%, 0.6 %)
Race
Black 18 10 38.7 % (20.4, 73.3%)
Hispanic 8 2 75.0 % (50.3%, 100%)
White 50 20 63.6 % (51.5, 78.6%)
Other 1 1 -- -- 0.237
Age
≤ 50 36 13 65.3% (50.2%, 85.0%)
> 50 41 20 51.2% (38.0%, 69.1%) 0.121
Menopausal Status
Pre-menopausal 29 12 62.8% (46.5%, 84.7%)
Post-menopausal 48 21 54.6% (41.7%, 71.5%) 0.553
Histology
Ductal 64 28 57.7% (46.4%, 71.8%)
Other 13 5 59.8% (37.8%, 94.7%) 0.951
Pathological Stage
I and II 47 13 74.1% (61.7%, 89.0%)
III 30 20 32.3% (19.1%, 54.7%) <0.001.
Nuclear Grade
2 5 1 80.0% (51.6%, 100%)
3 70 32 54.9% (43.9%, 68.8%) 0.264
Lymphovascular Invasion
Positive 18 10 44.4 % (26.5%, 74.5%)
Negative 57 22 62.3 % (50.1%, 77.3%) 0.073
Mutation Status
Mutant 15 2 86.2% (70.0%, 100%)
Wild Type 62 31 51.7% (40.3%, 66.7%) 0.031
Overall Survival Estimates

N at risk N Events 5-Year Estimate 95% Confidence Interval P-Value

All 35 55.9 % (44.7%,70.0 %)
Race
Black 18 10 30.8 % (11.8%, 80.5%)
Spanish/Hispanic 8 2 75.0 % (50.3%, 100%)
White 50 22 62.7 % (50.2%, 78.2%)
Other 1 1 -- -- 0.006
Age
≤ 50 36 15 60.7% (44.6%, 82.7%)
> 50 41 20 53.4% (40.1%, 71.2%) 0.279
Menopausal Status
Pre-menopausal 29 13 59.7% (42.0%, 84.9%)
Post-menopausal 48 22 54.8% (41.9%, 71.6%) 0.626
Histology
Ductal 64 29 57.0% (44.8%, 72.6%)
Other 13 6 51.3% (29.6%, 88.8%) 0.681
Pathological Stage
I and II 47 14 73.3% (59.4%, 90.6%)
III 30 21 29.6% (17.0%, 51.7%) <0.001.
Nuclear Grade
2 5 2 80.0% (51.6%, 100%)
3 70 33 52.8% (41.0%, 68.1%) 0.675
Lymphovascular invasion
Positive 18 10 44.4 % (26.5%, 74.5%)
Negative 57 24 59.5 % (46.2%, 76.7%) 0.246
Mutation Status
Mutant 15 4 73.3% (54.0%, 99.5%)
Wild Type 62 31 52.8% (40.7%, 68.5%) 0.225