1020 / 1241
/ 23 20
Statistical considerations
Intention to treat analysis
Non-inferiority intervention arm = HR < 1.50
560 patients required at 80% power
Inclusion
564 patients in 43 centers in the UK (282 / 282)
85% orophagyngeal cancer, 75% p16+
17% N2a, 62% N2b, 18% N2c, 3% N3
Median follow-up 36 months