[Retracted] Dosimetric Comparison between Volumetric Modulated Arc Therapy (VMAT) and Intensity-Modulated Radiotherapy (IMRT) for Dental Structures of Head and Neck Cancer Patients

Table 2

The clinicopathological data of HNC patients.

Characteristics	No. of patients (%)
	IMRT (n = 69)	VMAT (n = 69)
Tumor location
Nasopharynx	18 (26.1%)	18 (26.1%)
Oral cavity	17 (24.6%)	17 (24.6%)
Oropharynx	16 (23.2%)	16 (23.2%)
Larynx	18 (26.1%)	18 (26.1%)
T classification
T1	12 (17.4%)	8 (11.6%)
T2	33 (47.8%)	25 (36.2%)
T3	11 (15.9%)	23 (33.3%)
T4	13 (18.9%)	13 (18.9%)
N classification
N0	30 (43.5%)	20 (29.0%)
N1	13 (18.8%)	13 (18.8%)
N2	25 (36.2%)	32 (46.4%)
N3	1 (1.5%)	4 (5.8%)
M classification
M0	69 (100%)	69 (100%)
M1	0 (0.0%)	0 (0.0%)
Age
Mean	55	58
Range	16–70	16–87
Sex
Male	50 (72.5%)	62 (89.9%)
Female	19 (27.5%)	7 (10.1%)