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Table 1 Background of esophageal cancer patients and HPV16 integration

From: Integration of human papillomavirus 16 in esophageal carcinoma samples

Background HPV16 positive(n = 79) Samples (n = 189) Integrated Without X 2 P a
integrated
sex      0.06 >0.05
 male 55 136 7 48   
 female 21 53 2 19   
age (year old)      1.38 >0.05
  ≤ 45 18 41 1 17   
 46–64 28 70 3 25   
  ≥ 65 30 78 5 25   
differentiated type      0.09 >0.05
 well differentiated 11 30 1 10   
 moderately differentiated 49 104 6 43   
 poorly differentiated 16 55 2 14   
pathological stages      2.99 >0.05
 early stage 25 98 2 23   
 middle stage 40 63 4 36   
 late stage 11 28 3 8   
Total 76 189 9 67   
  1. aNotice: There were no statistically significant difference (P>0.05)