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Table 1 Correlation between plasma levels of NCK1-AS1 and patients’ clinical data

From: LncRNA NCK1-AS1 in plasma distinguishes oral ulcer from early-stage oral squamous cell carcinoma

Variables   High (n = 27) Low (n = 28) Chi square p
Gender
 Male 29 12 17 0.09 0.79
 Female 26 15 11
Age (years)
 > 50 27 15 12 0.89 0.35
 <  = 50 28 12 16
Location
 Lower 12 5 7 1.47 0.48
 Middle 22 13 9
 Upper 21 9 12
Tumor size
 2–4 cm 18 11 7 1.55 0.21
  < 4 cm 37 16 21
TNM stage
 T1N0m0 18 11 7 1.55 0.21
 T2N0m0 37 16 21