Pre-treatment MRI minimum apparent diffusion coefficient value is a potential prognostic imaging biomarker in cervical cancer patients treated with definitive chemoradiation

Table 3 Univariate analysis for disease specific survival and disease free survival

			Disease specific survival		Disease free survival
Variable	Category	n	3-y DSS	p-value	3-y DFS	p-value
FIGO	I / II	44	95.3	0.007	90.9	0.018
FIGO	III / IV	22	72	0.007	72.7	0.018
Lymph node	Positive	40	79.1	0.015	74.9	0.024
Lymph node	Negative	26	100	0.015	100	0.024
Parametrial Invasion	Present	59	85.9	0.304	83	0.816
Parametrial Invasion	Absent	7	100	0.304	100	0.816
Vaginal Invasion	Present	47	84.3	0.265	82.9	0.850
Vaginal Invasion	Absent	19	94.7	0.265	89.5	0.850
Adjacent Structures Invasion	Present	21	71.1	0.005	69.3	0.015
Adjacent Structures Invasion	Absent	45	95.3	0.005	93	0.015
GTV (^a)	<114.48	41	97.6	0.001	95.1	0.003
GTV (^a)	>114.48	25	69.4	0.001	68	0.003
ADC_min (^a)	<0.488	45	93.1	0.060	90.9	0.073
ADC_min (^a)	> 0.488	21	76.2	0.060	72.7	0.073
ADC_mean (^a)	< 0.827	25	100	0.017	96	0.037
ADC_mean (^a)	> 0.827	41	79.3	0.017	77.9	0.037
ADC_max (^a)	< 1.838	51	93.9	0.002	90.2	0.053
ADC_max (^a)	> 1.838	15	64.6	0.002	66	0.053
ADC_dev (^a)	< 0.148	16	100	0.088	93.8	0.221
ADC_dev (^a)	> 0.148	50	83.2	0.088	81.9	0.221

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