Table 3.

Logistic regression analysis of 123 as a cut-off for CA-125 and independent clinical factors in predicting lymph node metastasis.

Variable	β	Standard error	P	Odds ratio	95% confidence interval
Age (quantitative)	−0,022	0,016	0.157	0,978	0,949 to 1,009
Histology serous or nonserous	0,123	0,189	0.515	1,131	0,781 to 1,638
Preoperative CA-125 > 123 U/mL	0,526	0,211	0.013	1,692	1,119 to 2,559
Lymph node metastasis in imaging studies	1,250	0,421	0.003	3,492	1,531 to 7,964

Model χ ² = 22,83; P < 0.001; overall classification 76,7%.