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. Author manuscript; available in PMC: 2016 Jul 1.

Published in final edited form as: Lung Cancer. 2015 Apr 9;89(1):43–49. doi: 10.1016/j.lungcan.2015.03.023

Table 2.

Estimated hazard ratio and Cox regression coefficients for formulation of the PET/CT volumetric prognostic (PVP) index.

	HR	Regression Coefficient
ln(MTV_WB)	1.43	0.360
TNM stage
Stage I+II	reference
Stage III	1.53	0.424
Stage IV	2.44	0.890

Notes: HR = Hazard Ratio. ln(MTV_WB) is natural log-transformed whole-body metabolic tumor volume.