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Table 3 Histological comparison between cases with or without symptoms at screening day 0 visit and between cases with or without family history of colorectal cancer

From: High prevalence of advanced colorectal neoplasia in the Thai population: a prospective screening colonoscopy of 1,404 cases

  Symptoms that may suggest colorectal cancer at the outset Family history of colorectal cancer
Yes 55 cases No 1,349 cases P-value Yes 117 cases No 1,287 cases P-value
Screening colonoscopy
 Colorectal cancer 3 (5.5) 15 (1.1) 0.031b 4 (3.4) 14 (1.1) 0.056b
Stage       
 0 1 4   2 3  
 I 0 6   0 6  
 IIA 1 4   1 4  
 IIIB 0 1   1 0  
 IVA 1 0   0 1  
 High risk adenoma 3 (5.5) 95 (7.0)   0 (0.0) 98 (7.6)  
 Low risk adenoma 10 (18.2) 148 (11.0)   13 (11.1) 145 (11.3)  
 Hyperplastic polyp 3 (5.5) 116 (8.6)   14 (12.0) 105 (8.2)  
 Other pathological diagnosisa 0 (0.0) 18 (1.3)   2 (1.7) 16 (1.2)  
 No colorectal tumor 36 (65.5) 957 (70.9)   84 (71.8) 909 (70.6)  
  1. aInflammatory polyp, colitis, and lipoma
  2. bFisher Exact Test