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Table 1 Patient’s characteristics (n = 85)

From: Carbonyl reductase 1 is a new target to improve the effect of radiotherapy on head and neck squamous cell carcinoma

Characteristics Number
Gender
 Male 64 (73.7%)
 Female 21 (26.3%)
Age (mean ± SD) 62.0941
Anatomic site
 Oral cavity 27 (31.2%)
 Oropharynx 16 (19.0%)
 Larynx 19 (22.5%)
 Hypopharynx 15 (17.8%)
 others 8 (9.5%)
Primary tumor
 T1 19 (22.9%)
 T2 22 (26.5%)
 T3 16 (19.3%)
 T4 26 (31.3%)
Regional lymph node
 N0 36 (42.4%)
 N1 13 (15.3%)
 N2 35 (41.2%)
 N3 1 (0.01%)
Stage
 I 11 (13.1%)
 II 14 (16.7%)
 III 10 (11.9%)
 IV 49 (58.3%)
Tobacco use
 Never 35 (41.1%)
 Yes 50 (58.9%)