Table 2.

Risk factors of ULMS were evaluated by multivariate logistic regression analysis

Factor	P value	OR	95%CI
Age ≥ 40 yrs	0.044	2.826	1.326–5.461
Postmenopausal	0.122	2.642	0.770–9.068
Tumor size ≥7 cm	<0.001	6.930	2.872–16.724
NLR ≥ 2.8	0.011	3.032	1.288–7.139
Platelet ≥298 × 109/L	0.006	3.688	1.452–9.266
LDH ≥ 193 U/L	<0.001	6.479	2.658–15.792

ULSM uterine leiomyosarcoma, NLR neutrophil-to-lymphocyte ratio, LDH lactate dehydrogenase, OR odd ratio, CI confidential interval