Clinical Study

Comparative Study of Superselective Intra-Arterial Chemoradiotherapy versus Radical Surgery on Distant Metastasis for Advanced Oral Cancer

Table 7

Relationship between variables and DM.

Variables SSIACRTSurgery
 DM (−)DM (+)StatisticsDM (−)DM (+)Statistics

Age61.863.3N.S.65.563.6N.S.

T classification1, 230N.S.336N.S.
3, 42268418

N classification052N.S.504N.S.
171248
21334312

Occurrence of primary recurrence*(+)21N.S.249N.S.
(−)2359315

Occurrence of neck recurrence*(+)24 87
(−)23213114

Treatment effectPR31N.S.
 
CR225   

Persistent tumor was considered to be a recurrence.
Difference in Age category was analyzed by Student's -test and others difference in the categorical. Othere datas were analyzed by chi-square test.