Table 1.

Pretreatment characteristics of the patients undergoing radiotherapy for cancer of the larynx, oropharynx or hypopharynx according to fractionation regimen

	Fractionation regimen (No. of patients)
Characteristics	conventional (n = 51)	hyper-fractionation (n = 50)	accelerated (n = 51)
Sex:
male	45	45	47
female	6	5	4
Age (y):
≤40	2	1	3
41-70	45	43	40
>70	4	6	8
Karnofsky performance status (%):*
60-70	8	10	9
80-100	43	40	42

*Karnofsky performance status according to ref. 9.