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. Author manuscript; available in PMC: 2012 Nov 1.
Published in final edited form as: Cancer. 2011 Mar 31;117(21):4823–4833. doi: 10.1002/cncr.26122

Table 4. Multivariate analysis for iSUV (dichotomized by the median value) and OS after adjusting the effect of initial N and tumor grade.

variable HR (95% CI) P-value
Lymph Node Status N+/NX vs. N0 1.53 (0.918, 2.54) 0.1
Tumor Grade G3/GX vs. G1/G2 1.65 (1.100, 2.45) 0.016
iSUV >= 12.7 vs. < 12.7 1.61 (1.065, 2.41) 0.024
iSUV (by optimal cut-point) >6 vs. <=6 3.19 (1.57, 6.46) 0.0013

CI denotes confidence interval; iSUV denotes initial standardized uptake value.