Variable

Hazard Ratio

95% Confidence Interval

p-value

Lower

Upper

Developed HNSCC-SPT

0.67

0.40

1.10

0.113

Local Recurrence

2.77

1.82

4.18

<0.001

Nodal Recurrence

1.13

0.71

1.79

0.621

Table 5: Cox proportional hazard model for overall survival comparing patients that developed HNSCC-SPT with those that did not develop SPT (for patients surviving a minimum of 24 months).