Table 4.

Multivariable Cox Models of Progression-Free Survival in Women With Ovarian Cancer

Variable	P	Hazard Ratio	95% CI
Residual disease	.002	1.86	1.27 to 2.72
Stage	.002	2.40	1.28 to 4.48
Grade	.029	1.74	1.02 to 2.96
BRCA½ deficiency	.008	0.60	0.41 to 0.89

NOTE. Residual disease was a binary variable (0 for ≤ 1 cm and 1 for > 1 cm). Stage was a binary variable (0 for stages 1 and 2 and 1 for stages 3 and 4). Grade was a binary variable (0 for grades 1 and 2 and 1 for grade 3). The patient with a tumor harboring both a BRCA1 and a BRCA2 mutation was only counted once.