Table 5.

Oncologic outcomes according to clinical and treatment factors

Factor	n	2-Year PC (%)	p	2-Year LC (%)	p	2-Year PFS (%)	p
Concurrent chemotherapy
Yes	29	83	0.927	86	0.724	76	0.851
No	11	82		82		73
Pretreatment tumor diametera
< 40 mm	11	100	0.081	100	0.109	91	0.17
≥ 40 mm	29	76		79		69
Pre-ICBT tumor diametera
< 40 mm	24	96	0.004	96	0.013	92	0.001
≥ 40 mm	15	60		67		47
HR-CTV
< 40 cm3	22	96	0.03	96	0.077	96	0.001
≥ 40 cm3	17	71		77		53
Total HR-CTV D90
≥ 70 Gy	29	90	0.044	93	0.018	83	0.044
< 70 Gy	11	64		64		55
Overall treatment time
< 57 days	28	93	0.009	93	0.035	89	0.001
≥ 57 days	12	58		67		42

PC pelvic control, LC local control, PFS progression-free survival, ICBT intracavitary brachytherapy, HR-CTV high-risk clinical target volume

^aAssessed by MRI T2WI