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. Author manuscript; available in PMC: 2012 Sep 1.
Published in final edited form as: Gynecol Oncol. 2011 Sep;122(3):495–500. doi: 10.1016/j.ygyno.2011.05.040

Table 4.

Cox Proportional Hazard Ratio Estimates for Various Prognostic Factors

Progression-Free Survival
Prognostic Factor Hazard Ratio 95% Confidence Interval
Performance Status1 1.77 0.82 – 3.82
Race2 0.69 N/A4
Squamous Histology3 0.72 0.33 – 1.52
Overall Survival
Performance Status1 2.42 1.01 – 5.78
Race2 1.02 N/A4
Squamous Histology3 0.72 0.33 – 1.57
1

Performance Status of 1 or 2 versus 0

2

African American versus all other races

3

Squamous Cell Type versus all other cell types

4

The confidence interval could not be determined because there were only 5 African Americans.