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. Author manuscript; available in PMC: 2012 Jun 1.
Published in final edited form as: Int J Radiat Oncol Biol Phys. 2010 Jun 18;80(2):514–521. doi: 10.1016/j.ijrobp.2010.01.057

Table 3.

Multivariate analysis

Variable p-value HR (95% CI)
Disease free survival
 KPS 0.88 0.99 (0.88-1.12)
 Pre-treatment MTV50% 0.11 1.42 (0.93-2.17)
 Post-treatment MTV2.0 0.0001 2.47 (1.56-3.90)
Overall survival
 KPS 0.95 1.00 (0.87-1.14)
 Pre-treatment MTV50% 0.48 1.25 (0.67-2.32)
 Post-treatment MTV2.0 0.0033 1.98 (1.26-3.12)

Abbreviations: KPS = Karnofsky Performance Status; MTV = metabolic tumor volume