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Table 1 The demographic and oncological characteristics

From: The comparison between weekly and three-weekly cisplatin delivered concurrently with radiotherapy for patients with postoperative high-risk squamous cell carcinoma of the oral cavity

Patient characteristics Arm A (cisplatin 100 mg/m2) Arm B (cisplatin 40 mg/m2) p
N = 26 N = 24
Gender
 Male 25 (96.2%) 23 (95.8%) 1.000
 Female 1 (3.8%) 1 (4.2%)
Age (years old)
Mean (range) 49.2 (33–63) 49.0 (32–65) 0.941
pT
 pT1/2 14 (53.8%) 11 (45.8%) 0.778
 pT3/4 12 (46.2%) 13 (54.2%)
pN
 pN0 0 (0%) 2 (8.3%)  
 pN1 5 (19.2%) 8 (33.3%)  
 pN2 21 (80.8%) 14 (58.3%)  
Stage
 Stage II 0 (0%) 1 (4.2%)  
 Stage III 3 (11.5%) 4 (16.7%)  
 Stage IV 23 (88.5%) 19 (79.2%)  
Differentiation
 Well 7 (26.9%) 5 (20.8%)  
 Moderate 15 (57.7%) 17 (70.8%)  
 Poor 4 (15.4%) 2 (8.3%)  
Primary Site
 Buccal 10 (38.5%) 9 (37.5%)  
 Tongue 10 (38.5%) 11 (45.8%)  
 Gum 5 (19.2%) 3 (12.5%)  
 Others 1 (3.8%) 1 (4.2%)  
ECS
 No 5 (19.2%) 9 (37.5%) 0.211
 Yes 21 (80.8%) 15 (62.5%)
Margin
 Negative 25 (96.2%) 20 (83.3%) 0.182
 Positive 1 (3.8%) 4 (16.7%)
Tumor size (mm)
Mean (range) 31.19 (12–68) 34.13 (12–60) 0.414
  1. Abbreviations: ECS = extracapsular spreading.