Table 4.

Multivariable Cox regression analyses of factors influencing recurrence

Variable	HR (95% CI)	P Value
Tumor diameter (ref. = < 5 cm)	1.79 (1.38, 2.33)	< 0.001
CA125 (ref. = ≤ 35 ng/ml)	1.78 (1.17, 2.70)	0.007
CA199 (ref. = ≤ 5 ng/ml)	1.56 (1.09, 2.22)	0.014
pT-staging (ref. = T3)	1.25 (0.84, 1.86)	0.266
Morphological type (ref. = Expansive)
Infiltrative	1.67 (0.66–4.21)	0.276
Ulcerative	1.61 (1.19–2.17)	0.002
Adjuvant chemotherapy (ref. = Negative)	0.71 (0.52, 0.97)	0.029