Table 4.

Sensitivity, specificity and accuracy of the developed algorithms to predict treatment failure (local tumor recurrence or dead of disease)

Prediction Algorithms		Sensitivity (%) (95% CI)	Specificity (%) (95% CI)	Accuracy rate (%)
Local Tumor Recurrence
1	(V4/V1 >10%)	67 (41, 87)	100 (94, 100)	93
2	(V3/V1 >20%)	89 (65, 99)	79 (66, 88)	81
3	(V1 >40 cm3) & (V3/V1 >20%)	89 (65, 99)	87 (76, 94)	88
4	(V1 >40 cm3) & (V2/V1 >75%)	61 (36, 83)	94 (84, 98)	86
Dead of Disease
1	(V4/V1 >10%)	36 (19, 56)	96 (87, 100)	75
2	(V3/V1 >20%)	54 (34, 72)	73 (59, 84)	66
3	(V1 >40 cm3) & (V3/V1 >20%)	54 (34, 72)	83 (70, 92)	73
4	(V1 >40 cm3) & (V2/V1 >75%)	36 (19, 56)	90 (79, 97)	71