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Table 2 Clinicopathologic features of 119 esophageal squamous cell carcinoma patients with preoperative bone scan and 42 esophageal squamous cell carcinoma patients without preoperative bone scan

From: Is there a role of whole-body bone scan in patients with esophageal squamous cell carcinoma

Parameters   No. of patients P value
   With bone scan before op (n = 119) Without bone scan before op (n = 42)  
Mean age (range):54.34(29–77) 54.62 (37–77) 53.55 (29–66) 0.498
Sex Male 115 41 1.000
  Female 4 1  
Protocol Op 67 28 0.240
  Pre-op CCRT + op 52 14  
Primary tumor T1 + 2 41 12 0.486
  T3 + 4 78 30  
Lymph node Negative 55 20 0.876
  Positive 64 22  
7th AJCC stage I + II 60 20 0.755
  III 59 22  
Surgical margin Positive 10 2 0.733
  Negative 109 40  
  1. Op, operation; CCRT, concurrent chemoradiotherapy; х2 test, Fisher’s exact test, or t test was used for statistically analyzed.