Outcome of Early-Stage Glottic Laryngeal Carcinoma Patients Treated with Radical Radiotherapy Using Different Techniques

Table 1

Patients and treatment characteristics (n = 299).

Characteristics	N	%
Sex
Male	287	96
Female	12	4
T Stage
Tis	38	12, 7
T1a	167	55, 9
T1b	42	14
T2	52	17, 4
Anterior commissure invasion
No	168	56, 2
Tis	30	10, 0
T1a	122	40, 8
T1b	12	4, 1
T2	4	1, 3
Yes	107	35, 8
Tis	8	2, 7
T1a	42	14, 0
T1b	30	10, 1
T2	27	9, 0
Unknown	24	8
Tis	0	0
T1a	3	0, 1
T1b	0	0
T2	21	7, 9
Fractionation
1.8–2 Gy/fx, daily	297	99
>2 Gy/fx daily	2	1
Beam energy
Cobalt-60	150	50, 2
(i) Conventional	52	17, 4
(ii) 3D-CRT	98	32, 8
6 MV X-rays	149	49, 8
Radiotherapy techniques
Conventional	130	43, 5
3DCRT	125	41, 8
VMAT	44	14, 7