From: Prognostic impact of epidermal growth factor receptor (EGFR) expression on loco-regional recurrence after preoperative radiotherapy in rectal cancer
Prognostic variable
Hazard ratio
95% CIb
Pvalue
EGFR extent
<25%
≥25%
1
7.18
1.12 to 46
0.037
Resection
R0
R1
6.92
1.18 to 40.42
0.032
Preoperative RT
60 Gy
44 Gy
5.78
1.04 to 32.06
0.045