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Table 1 Characteristics of gastric cancer patients and their gastric cancers detected by endoscopic and radiographic screenings

From: Optimal interval of endoscopic screening based on stage distributions of detected gastric cancers

Screening method Endoscopic screening Radiographic screening p-value
Number (%) Number (%)
Total number 1585   462   
Sex
 Men 1097 69.2 322 69.7 0.842
 Women 488 30.8 140 30.3  
Age group
 40–49 years 3 0.2 1 0.2  
 50–59 years 69 4.4 20 4.3 0.647
 60–69 years 614 38.7 164 35.5  
 70–79 years 899 56.7 277 60.0  
Screening historya
 No screening history 688 43.4 169 36.6  
 Screening 1 year before 715 45.1 231 50.0 0.072
 Screening 2 years before 127 8.0 44 9.5  
 Screening 3 years before 55 3.5 18 3.9  
Stage
 Stage I 944 59.6 284 61.5  
 Stage II 66 4.2 45 9.7  
 Stage III 48 3.0 32 6.9 < 0.001
 Stage IV 50 3.2 31 6.7  
 Unknown 427 26.9 70 15.2  
Pathology
 Intestine 1436 90.6 414 89.6  
 Diffuse 115 7.3 34 7.4 0.719
 Others 13 0.8 6 1.3  
 Unknown 21 1.3 8 1.7  
Treatment
 Endoscopic submucosal dissection 793 50.0 127 27.5  
 Surgery 703 44.4 293 63.4 < 0.001
 Others 61 3.8 28 6.1  
 Unknown 28 1.8 14 3.0  
  1. aScreening history was limited to the same method of which gastric cancer was diagnosed