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Table 1 H3K27me3 expression and clinicopathologic variables (Chi-square test)

From: Prognostic impact of H3K27me3 expression on locoregional progression after chemoradiotherapy in esophageal squamous cell carcinoma

   H3K27me3 expression (%)  
Variables Case low high P
Age (years)     0.255
   ≤55a 54 32(59.3) 22(40.7)  
   >55 44 21(47.7) 23(52.3)  
Gender     0.720
   Male 82 45(54.9) 37(45.1)  
   Female 16 8(50.0) 8(50.0)  
Location     0.341
   Cervical 24 15(62.5) 9(37.5)  
   Thoracic 74 38(51.4) 36(48.6)  
WHO grade     0.016
   G1 24 16(66.7) 8(33.3)  
   G2 50 30(60.0) 20(40.0)  
   G3-4 24 7(29.2) 17(70.8)  
Tumor size (cm)     0.019
   ≤6b 56 36(64.3) 20(35.7)  
   >6 42 17(40.5) 25(59.5)  
T status     0.024
   T2-3 47 31(66.0) 16(34.0)  
   T4 51 22(43.1) 29(56.9)  
N status     0.929
   N0 16 8(50.0) 8(50.0)  
   N1 82 40(48.8) 42(51.2)  
M status     0.651
   M0 59 33(55.9) 26(44.1)  
   M1-lymc 39 20(51.3) 19(48.7)  
CRT response     0.094
   Effective 61 37(60.7) 24(39.3)  
   Resistant 37 16(43.2) 21(56.8)  
Locoregional progression     0.009
   Absent 51 34(66.7) 17(33.3)  
   Present 47 19(40.4) 28(59.6)  
Distant progression     0.299
   Absent 62 36(58.1) 26(41.9)  
   Present 36 17(47.2) 19(52.8)  
  1. aMean age. bMean tumor size. cDistant lymph node metastasis.