Prevalence of Epithelial Ovarian Cancer Stem Cells Correlates with Recurrence in Early-Stage Ovarian Cancer

Table 3

Multivariate analyses of progression-free survival in 117 ovarian cancer patients.

Clinicopathological characteristics	B regression coefficient	Standard Error (B)	Hazard ratio	95% CI (Hazard ratio)	𝑃 value*
Age	−0.025	0.014	0.98	0.95–1.00	0.083
FIGO stage
I/II			1.00
III/IV	1.814	0.502	6.13	2.29–16.4	0.0003
Grade
1			1.00
2	0.750	0.778	2.12	0.46–9.73	0.34
3	0.617	0.769	1.85	0.41–8.36	0.42
Residual tumor
≤1 cm			1.00
>  cm	0.858	0.277	2.35	0.83–2.30	0.002
% E O C stem cells
<20% CD44 Cells			1.00
>20% CD44 Cells	0.893	0.416	2.44	1.08–5.52	0.032

*Cox regression model.