Nomogram to predict overall survival based on the log odds of positive lymph nodes for patients with endometrial carcinosarcoma after surgery

Table 1 Clinical and demographic characteristics of patients with ESC from SEER database, 2004–2015

Variables	All subjects (n = 715)	Training cohort (n = 499)	Validation cohort (n = 216)	P value
Age (years)	63.38 ± 11.43	63.52 ± 11.31	63.05 ± 11.70	0.469
Race				0.675
White	483	341	142
Black	144	100	44
Other	88	58	30
Tumor size (mm)				0.354
≤ 58 mm	342	233	109
>58 mm	373	266	107
FIGO2009				0.550
I	385	266	119
II	55	36	19
III	196	144	52
IV	79	53	26
Examined nodes	17.63 ± 12.97	18.75 ± 13.33	18.36 ± 12.61	0.486
PLNN				0.709
1	205	141	64
2	510	358	152
LNR				0.792
1	207	143	64
2	508	356	152
LODDS				0.991
1	222	155	67
2	493	344	149
Histology grade				0.751
I	19	12	7
II	53	39	14
III	256	184	72
IV	179	124	55
unknow	208
Peritoneal Cytology				0.837
positive	101	68	33
negative	444	311	133
unknow	170	120	50

ISSN: 1471-2407