A prediction nomogram for suboptimal debulking surgery in patients with serous ovarian carcinoma based on MRI T1 dual-echo imaging and diffusion-weighted imaging

Insights into Imaging

Table 5 Multivariate analysis of clinical and MRI variables

Variables	N	OR	95%CI	p value
CA-125
≤ 1484	118	1
> 1484	87	8.260	2.003–43.372	0.006
FIGO stage
I/II	36	1
III/IV	169	32.990	6.623–274.509	0.0001
Relationship between the sigmoid colon/rectum and mass
0 (clear, a hook edge existed)	38	1
The hook edge disappeared
1 (Close)	26	0.624	0.092–3.876	0.611
2 (Bridge sign)	90	17.908	4.034–104.103	0.0004
3 (Fusion)	51	28.701	4.561–286.070	0.001
Diaphragmatic metastasis
No	141	1
Yes	64	12.369	1.675–274.063	0.037

FIGO International Federation of Gynecology and Obstetrics, N number, OR odds ratio