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Table 1 Clinical Characterization of the cohorts

From: Deregulation of manganese superoxide dismutase (SOD2) expression and lymph node metastasis in tongue squamous cell carcinoma

   Cohort #1 Cohort #2
   TSCC Normal TSCC Premalignant Normal
Age Median (range) 57 (32-82) 56 (37-78) 53 (21-77) 51 (30-82) 47 (30-72)
Gender Male: n (%) 39 (73.58) 13 (59.09) 60 (60.00) 17 (54.84) 6 (40.00)
  Female: n (%) 14 (26.42) 9 (40.91) 40 (40.00) 14 (45.16) 9 (60.00)
T stage Stage 4: n (%) 30 (56.60)   6 (6.00)   
  Stage 3: n (%) 4 (7.55)   15 (15.00)   
  Stage 2: n (%) 12 (22.64)   51 (51.00)   
  Stage 1: n (%) 7 (13.21)   28 (28.00)   
N stage (Pathological) Stage 2: n (%) 23 (43.40)   18 (18.00)   
  Stage 1: n (%) 4 (7.55)   22 (22.00)   
  Stage 0: n (%) 26 (49.05)   60 (60.00)   
Clinical stage Stage 4: n (%) 39 (73.58)   21 (21.00)   
  Stage 3: n (%) 4 (7.55)   27 (27.00)   
  Stage 2: n (%) 7 (13.21)   26 (26.00)   
  Stage 1: n (%) 3 (5.66)   26 (26.00)   
Grade Well: n (%) NA   51 (51.00)   
  Mod: n (%) NA   30 (30.00)   
  Poor: n (%) NA   19 (19.00)   
  1. The M stage data for TSCC patients is not available.
  2. The Grade data is not available for TSCC cohort #1.