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.