A Nomogram Combining MRI Multisequence Radiomics and Clinical Factors for Predicting Recurrence of High-Grade Serous Ovarian Carcinoma

Table 3

The result of Cox regression survival analysis.

Factors	HR	95% CI	value
FIGO stage (I-II vs. III-IV)	1.209	0.395-3.704	0.740
Residual tumour status (R0 vs. R1)	2.711	1.283-5.728	0.009
PM (absent vs. present)	1.211	0.446-3.288	0.707
Primary treatment (PDS+chemotherapy vs. NACT+IDS)	0.694	0.337-1.427	0.321
Primary treatment CA125 level (<385.0 vs. ≥385.0)	1.581	0.786-3.181	0.199
Primary treatment HE4 level (<470.7 vs. ≥470.7)	1.175	0.681-2.026	0.563
ADC value (<0.855 vs. ≥0.855)	0.802	0.485-1.328	0.392
Tumour composition (cystic, solid, and solid-cystic)	0.808	0.555-1.176	0.265
Multi-Radscore (<-0.286 vs. ≥-0.286)	2.302	1.177-4.503	0.015

FIGO: International Federation of Gynecology and Obstetrics; PM: peritoneal metastasis; PDS: primary debulking surgery; NACT: new adjuvant chemotherapy treatment; IDS: interval debulking surgery; ADC: apparent diffusion coefficient; HR: hazard ratio; CI: confidence interval.