Accuracy of methionine-PET in predicting the efficacy of heavy-particle therapy on primary adenoid cystic carcinomas of the head and neck

Table 3 Results of a univariate analysis

	Recurrences	Metastasis	Survival
TNR prior to treatment (P value)	-	≥5.6	≥5.6
TNR prior to treatment (P value)	-	(p < 0.0001)^*	(p < 0.0001)^*
TNR following treatment (P value)	≥3.5	‒	‒
TNR following treatment (P value)	(p < 0.005)^*	‒	‒
Residual ratio of TNR (P value)	‒	<60%	<80%
		(p < 0.01)^*	(p < 0.05)^*

ISSN: 1748-717X