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Table 1 PFN2 clinicopathological characteristics of patients with ESCC from Chinese Han and Kazakh population

From: PFN2, a novel marker of unfavorable prognosis, is a potential therapeutic target involved in esophageal squamous cell carcinoma

Characteristic Han ethnic Kazakh ethnic
(N = 192) (N = 168)
No % No %
Age at surgery, years
 Median 62.5 57.4
 Range 42–81 34–75
Gender
 Male 137 71.4 108 64.3
 Female 55 28.6 60 35.7
Differentiationa
 Well 67 34.9 39 23.2
 Moderate + Poor 125 65.1 129 76.8
Invasion depth
 T1–T2 79 41.1 83 49.4
 T3–T4 113 58.9 85 50.6
Lymph node metastasis
 No 127 66.1 79 47.0
 Yes 65 33.9 89 53.0
TNM stageb
 I + II 154 80.2 111 66.1
 III + IV 38 19.8 57 33.9
  1. aHistologic grade was based on WHO classification published in 2010
  2. bTNM stage was assessed according to the 7th edition of the AJCC Cancer Staging Manual