Table 3. Prediction of recurrence in 603 patients with endometrial cancer, univariate and multivariate logistic regression.

Variable	N	Univariate OR	95% CI	P	Multivariate OR	95% CI	P
Age				<0.001			0.043
	603	1.05	1.03–1.07		1.02	1.00–1.05
Histology				<0.001			<0.001
Endometrioid	492
Non-endometrioid	111	4.50	2.86–7.09		3.72	2.29–6.05
Myometrial infiltration							<0.001
<50%	390			<0.001
≥50%	213	2.67	1.77–4.04		2.27	1.45–3.55
GDF-15				<0.001			0.005
Low	419
High tertile	184	3.14	2.07–4.76		1.99	1.23–3.22

Variables significant in univariate analyses were used in the final multivariate model.