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Table 1 Characteristics of participants studied

From: Population-based colorectal cancer screening programmes using a faecal immunochemical test: should faecal haemoglobin cut-offs differ by age and sex?

 

Men

Women

Participation; %

63.7

69.3

Colonoscopy compliance; %

95.0

94.2

Total number of participantsa

10,982

7291

Colorectal cancer (CRC)

693

339

Age (years); mean (SD)

61.4 (5.1)

60.2 (5.6)

μg Hb/g faeces; median (IQR)

219.0 (74.2–694.5))

175.3 (63.8–440.8)

Location Location (proximal side/distal side/rectum)b; %

18.2/70.1/11.7

21.8/64.2/14.0

Stage (I-II/III-IV/missing); %

68.0/27.6/4.4

63.7/30.8/5.5

Size (cm); mean (SD)

2.7 (1.5)

2.8 (1.6)

Advanced adenomas (AA)c

5188

2028

Age (years); mean (SD)

60.1 (5.4)

59.8 (5.6)

μg Hb/g faeces; median (IQR)

79.2 (35.2–229.6)

71.6 (33.2–188.6)

Location Location (proximal side/distal side/rectum)b; %

20.1/67.4/12.5

20.1/63.7/16.2

Number polyps; median (IQR)

3.0 (2.0–5.0)

2.0 (1.0–4.0)

Higher size polyps (mm); median (IQR)

12.0 (9.0)

12.0 (8.0)

Size of AA >9 mm; %

65.1

65.1

Size of AA >19 mm; %

13.6

12.8

AA with villous component; %

36.2

36.3

AA with severe/high-grade dysplasia; %

8.6

8.7

  1. SD Standard deviation, IQR Interquartile range
  2. aPositives
  3. bRight side includes regions up to and including the splenic flexure; left side includes descending colon and up to rectum
  4. cAdvanced adenomas: adenomas ≥10 mm, adenoma with a villous component (i.e., tubulovillous or villous adenoma) or adenomas with severe/high-grade dysplasia