Table 4.

Multicovariate analysis for time to oral cancer on FISH status for EGFR gene and chromosome 7 copies (E/N = 24/49)

VariableHR95% CI for HRP
Age1.010.98-1.040.577
BC+RP/RP-only vs 13cRA1.190.52-2.760.682
Histologic status at baseline: dysplasia vs hyperplasia1.020.42-2.460.965
FISH: positive vs negative3.621.44-9.100.006

NOTE: This analysis produced the maximum likelihood estimates.

Abbreviation: E/N, number of events and number of patients.