p <0.1 p <0.2
HR p HR p
Overall Survival
Doses>60Gy 2.53 0.06 2.2 0.13
Previous surgery to 2nd radiation     1.6 0.3
Disease Free interval 1.02 0.15 1.03 0.1
Interval between treatments 0.9 0.12 0.9 0.09
Disease Free Survival
First treatment scheme 1.14 0.56 1.05 0.82
Doses >60Gy 2.9 0.03 2.91 0.03
Previous surgery to 2nd radiation     1.44 0.44
QT in the 2nd treatment     0.94 0.92
Second disease     0.84 0.72
Disease Free interval 0.97 0.11 1.01 0.23
Interval between treatments 1.01 0.35 0.97 0.09
Locoregional Control
Doses>60Gy 3.12 0.04 3.2 0.03
Previous surgery to 2nd radiation     2.1 0.1
QT in the 2nd treatment     1.4 0.5
Disease Free interval 1.01 0.41 1.01 0.25
Interval between treatments 0.98 0.14 0.98 0.53
Metastases Free Survival
Second disease     0.2 0.02
First Disease localization     0.8 0.46
First treatment scheme     3.5 0.007
Table 4: Multivariate analysis, Cox regression, HR: Hazard Ratio.