Table 3

Patients’ characteristics
Variable Total (n = 115)
Age : mean ± SD 65.1 ± 11.0
Sex: Male/female 93/22
Primary site
Oropharyngeal 25(21.7%)
Hypopharyngeal 25(21.7%)
Laryngeal 23(20%)
Oral cavity 31(27%)
Nasal cavity 11(9.6%)
Tumor grade: 45(39.1%)/48(41.7%)/22(19.1%)
well/ moderate/poor
T stage: T1/T2/T3/T4 16/45/27/27
(13.9%/39.1%/23.5%/23.5%)
N stage: N0/N1/N2/N3 59/17/39/0
(51.3%/14.8%/33.9%/0%)
Stage: I/II/III/IV 12/23/26/54
(10.4%/20%/22.6%/47.0%)

115 patients were obtained in this study. The patient characteristics are listed.

Suda et al.

Suda et al. BMC Cancer 2012 12:416   doi:10.1186/1471-2407-12-416

Open Data