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Table 1 Demographics and yield of advanced neoplasia‡ in three different indication groups in 1041 asymptomatic, high-risk subjects referred for surveillance colonoscopy

From: Faecal immunochemical test accuracy in patients referred for surveillance colonoscopy: a multi-centre cohort study

  

N (%)

Demographics

Yield

   

Mean age (range)

Males (%)

CRC (%)

Adv Adenomas*(%)

Advanced neoplasia (%)

Indication for colonoscopy

Personal history of adenomas

516 (49.6)

63.2 (29–87)

279 (54.1)

1 (0.2)

59 (11.4)

60 (11.6)

 

Personal history of CRC§

172 (16.5)

66.2 (44–86)

82 (47.7)

3 (1.7)

19 (11.0)

22 (12.8)

 

Family history of CRC§

353 (33.9)

54.3 (27–82)

161 (45.6)

1 (0.3)

23 (6.5)

24 (6.8)

 

Total population

1041 (100)

60.7 (27–87)

522 (50.1)

5 (0.5)

101 (9.7)

106 (10.2)

  1. ‡ Advanced neoplasia is defined as either one or more advanced adenoma(s) or a CRC.
  2. § CRC: colorectal cancer.
  3. * Advanced adenoma: Adenomas ≥1.0 cm, with any villous features (i.e. tubulovillous or villous adenoma) or high-grade dysplasia.