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Table 2 Clinicopathologic characteristics of HNSCC patients in two cohorts

From: Construction of an 11-microRNA-based signature and a prognostic nomogram to predict the overall survival of head and neck squamous cell carcinoma patients

Variables Primary cohort Validation cohort
N = 67 % N = 43 %
Age
  ≤ 60 23 34.33 14 32.56
  > 60 44 65.67 29 67.44
Sex
 Female 25 37.31 15 34.88
 Male 42 62.68 28 65.12
TNM stage
 I 2 2.99 2 4.65
 II 18 26.87 10 23.26
 III 10 14.93 7 16.28
 IV 32 47.76 21 48.84
 NA 5 7.46 3 6.98
neoplasm histologic grade
 1 12 17.91 9 20.93
 2 39 58.21 23 53.49
 3 14 20.90 10 23.26
 NA 2 2.99 1 2.33
Ragnum Hypoxia Score
 <0 1 1.49 1 2.33
 0–9 10 14.93 5 11.63
 10–19 49 73.13 31 72.09
  ≥ 20 7 10.45 6 13.95
Survival status
 Alive 28 41.79 17 39.53
 Dead 39 58.21 26 60.47