showed a trendP =0.052
N stage also showed a trend towards improved LRFS ( P =0.052).
N stage also showed a trend towards improved LRFS ( P =0.052).
Conclusions from these data are that: patients receiving 50 Gy had a lower primary and neck failure rate than those receiving >50 Gy, but those differences did not reach statistical significance ( P =0.082, P =0.369, respectively).