Table 5. EGFR family expression and survival from the date of AIPC biopsy.

Immunoreactivity	Number of patients (%)	2-year survival	Pa
c-erbB-1
Negative	60 (57%)	0.526
Positive	46 (43%)	0.362	0.118
c-erbB-2
Negative	81 (76%)	0.498
Positive	25 (24%)	0.320	0.029
c-erbB-3
Negative	84 (79%)	0.463
Positive	22 (21%)	0.409	0.266
c-erbB-4
Negative	75 (71%)	0.416
Positive	31 (29%)	0.539	0.054

^aLogrank test for trend.