Table 2.

Treatment Duration, Radiotherapy Dose, and Intensity by Treatment Group

Factor	RT + FU + Mitomycin (n = 472)	RT + FU + Cisplatin (n = 320)	RT + FU (n = 145)	Total (n = 937)
RT duration, days
Median	45	45	39	44
Range	0-158	0-107	7-96	0-158
CT duration, days
Median	31	87	31	32
Range	0-60	0-141	0-72	0-141
RX duration, days
Median	45	101	39	53
Range	1-158	0-163	7-96	0-163
Total primary central axis dose, Gy
Median	50.4	55.0	45.0	50.4
Range	0-79.4	0-70.2	10.8-54.0	0-79.4
RT intensity*
Median	1.15	1.20	1.17	1.16
Range	0-2.25	0-2.05	0.47-1.54	0-2.25

Abbreviations: RT, radiation therapy; FU, fluorouracil; CT, chemotherapy; RX, overall treatment.

^*RT intensity = (total primary central axis dose)/RT duration.