Table 4.

Hazard ratios at early treatment for Kaplan-Meier curves using cut points at the lowest quartile (Q1), the median quartile (Q2), and the highest quartile (Q3) for METV and FTV (Fig. 3)

	Most enhancing tumor volume METV (automated)	Functional tumor volume FTV (semi-manual) [8]
Lowest quartile Q1	2.28 [1.08; 4.61]	2.68 [1.32; 5.48]
Median quartile Q2	3.43 [1.83; 6.75]	2.23 [1.89; 4.31]
Highest quartile Q3	4.81 [2.16; 10.72]	5.31 [2.59; 12.85]