ROMA Index Is an Effective Predictor for Advanced Endometrial Cancer before Surgery

Table 1

Characteristics of patients in the training and validation datasets.

Characteristics	Training dataset			Validation dataset
	()	()		()	()
Age, median (IQR)	55 (50, 61)	55 (51, 61)	0.93	54 (49, 58)	55.5 (50, 63)	0.65
Menopause no. (%)			0.40			0.74
No	55 (33.1)	12 (41.4)		15 (29)	4 (33)
Yes	111 (66.9)	17 (58.6)		37 (71)	8 (67)
Sterilization no. (%)			0.24			1.00
No	128 (77.1)	19 (65.5)		40 (77)	10 (83)
Yes	38 (22.9)	10 (34.5)		12 (23)	2 (17)
Parity, median (IQR)	1 (1, 2)	2 (1, 2)	0.66	1 (1, 2)	1 (1, 1.5)	0.59
BMI, median (IQR)	24.7 (22.6, 27.6)	24.9 (23.6, 27.7)	0.35	24.3 (22.3, 27.6)	22.5 (21.7, 25.2)	0.11
Hypertension no. (%)			0.83			0.27
No	108 (65.1)	20 (69.0)		38 (73)	11 (92)
Yes	58 (34.9)	9 (31.0)		14 (27)	1 (8)
DM no. (%)			0.38			0.31
No	143 (86.1)	27 (93.1)		48 (92)	10 (83)
Yes	23 (13.9)	2 (6.9)		4 (8)	2 (17)
Tumor size, median (IQR)	2.4 (1.4)	4.9 (2.2)	<0.001	2.7 (1.5)	5.5 (2.7)	<0.001
ROMA index no. (%)			<0.001			<0.001
No	142 (85.5)	8 (27.6)		46 (88)	4 (33)
Yes	24 (14.5)	21 (72.4)		6 (12)	8 (67)

Note: , not advanced endometrial cancer; , advanced endometrial cancer. Abbreviations: IQR: interquartile range; BMI: body mass index; DM: diabetes mellitus.