Table 4

Correlation between EGFR expression parameters with tumor stage and RTOG-RPA classes

Correlation coefficientT stageN stageCombined stage groupRTOG-RPA LR controlRTOG-RPA survival
MOD0.13−0.06−0.030.050.09
SI0.16−0.040.010.080.10
QS0.17−0.07−0.030.080.10