Nomogram for Predicting Recurrence-Free Survival in Chinese Women with Endometrial Cancer after Initial Therapy: External Validation

Table 3

The distribution of patients in the low- and high-risk cohorts estimated by the nomogram scores in the training cohort.

Variables	Low risk, N = 371 (71.3%)	High risk, N = 149 (28.7%)	value
FIGO stage			<0.001
I	349 (94.1)	55 (36.9)
II	18 (4.8)	19 (12.8)
III	4 (1.1)	58 (38.9)
IV	0 (0)	17 (11.4)
Histological grade			<0.001
Grade 1/2	349 (94.1)	1 44 (29.5)
Grade 3	22 (5.9)	105 (70.5)
Primary tumor diameter			<0.001
<2 cm	179 (48.2)	10 (6.7)
≥2 cm	192 (51.8)	139 (93.3)
Peritoneal cytology			<0.001
No	370 (99.7)	103 (69.1)
Yes	1 (0.3)	1 46 (30.9)

Data are expressed as n (%). FIGO = International Federation of Gynecology and Obstetrics.