TABLE 3.

LF within non-variant patients by as-treated cetuximab

	No Cetuximab		Cetuximab
Time (years)	% Alive (95% CI)	No. of patients at risk	% Alive (95% CI)	No. of patients at risk
0	0% (N/A)	141	0% (N/A)	131
1	14.9% (9.6–21.4)	87	27.5% (20.1–35.4)	73
2	26.4% (19.4–33.9)	59	46.1% (37.3–54.4)	39
3	35.1% (27.2–43.0)	40	48.4% (39.5–56.8)	30
4	37.3% (29.2–45.3)	33	50.0% (41.1–58.3)	24
5	38.1% (30.0–46.1)	25	50.8% (41.9–59.1)	17
Dead/Total	53/141		67/131
HR (95% CI)	1.59 (1.11–2.28)
P a	0.0120

NOTE: Model stratified by radiation level assignment.

^aTwo-sided log-rank, stratified by radiation level (>51 Gy–≤66 Gy vs. >66 Gy).