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Table 2 Characteristics of participants stratified by sex and age

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

  Men < 55 years Men 55–60 years Men 60–65 years Men > 65 years Women < 55 years Women 55–60 years Women 60–65 years Women > 65 years
Participation; % 59.0 63.7 67.9 66.8 65.5 70.6 72.1 69.0
Colonoscopy compliance; % 93.7 94.0 94.8 97.4 94.2 94.8 94.1 93.8
Total number of participantsa 2415 2671 3238 2658 1775 1707 2009 1800
Colorectal cancer (CRC) 84 155 216 238 72 82 87 98
μg Hb/g faeces; median (IQR) 179.4 (56.8–536.2) 230.8 (69.6–770.4) 209.8 (70.2–682.5) 231.2 (82.4–698.7) 191.8 (77.9–542.9) 172.8 (67.6–405.3) 158 (63.2–490.4) 172.8 (54.38–443.7)
Location (proximal side/distal side/rectum)b; % 19.8/69.7/10.5 18.3/64.7/17.0 17.4/79.5/3.1 17.3/66.4/16.3 20.8/65.4/13.8 22.6/66.7/10.7 20.9/64.3/15.1 23.2/60.6/16.2
Stage (I-II/III-IV/missing); % 75.0/20.2/4.8 66.9/27.3/5.8 63.7/34.0/2.3 70.0/27.0/3.0 69.0/22.7/8.3 54.9/41.5/3.6 60.5/33.7/5.8 71.4/22.4/6.2
Size (cm); Mean (SD) 2.5 ± 1.6 2.5 ± 1.6 2.7 ± 1.4 2.9 ± 1.5 2.9 ± 1.5 3.0 ± 1.6 2.6 ± 1.8 2.9 ± 1.7
Advanced adenomas (AA)c 976 1250 1614 1348 461 498 553 516
μg Hb/g faeces; median (IQR) 78.8 (34.8–223.0) 78.8 (34.8–221.9) 84.4 (35.4–248.4) 75.8 (35.6–221.8) 71.8 (33.4–183.4) 70.2 (34.2–190.2) 71.2 (30.0–186.2) 75.6 (35.7–193.3)
Location (proximal side/distal side/rectum)b; % 19.4/66.2/14.4 24.3/65.1/10.6 17.3/69.4/13.3 19.3/68.9/11.8 23.5/57.8/18.7 18.4/66.5/15.1 19.1/69.2/11.7 19.5/61.2/19.3
Number polyps; median (IQR) 3.0 (1–0-4.0) 3.0 (2.0–5.0) 3.0 (2.0–5.0) 3.0 (2.0–5.0) 2.0 (1.0–3.0) 2.0 (1.0–3.0) 2.0 (1.0–4.0) 2.0 (1.0–4.0)
Higher size polyps (mm); median (IQR) 13.4 (7.5) 13.7 (7.9) 14.2 (8.5) 13.8 (10.4) 12.0 (9.7) 13.4 (8.6) 13.4 (8.4) 12.9 (7.2)
Size of AA >9 mm; % 62.4 65.2 65.3 66.4 63.4 64.2 65.2 66.1
Size of AA >19 mm; % 9.8 10.4 12.3 13.9 10.4 11.9 12.7 14.1
AA with villous component; % 35.4 36.2 35.4 37.0 34.2 36.3 35.2 36.8
AA with severe/high-grade dysplasia; % 8.0 7.8 8.5 9.0 7.4 7.8 8.2 8.9
  1. SD Standard deviation, IQR Interquartile range
  2. aPositives
  3. bProximal side includes regions from cecum up to and including the transverse colon; distal side includes splenic flexure, descending colon and sigmoid colon
  4. cAdvanced adenomas: adenomas ≥10 mm, adenoma with a villous component (i.e., tubulovillous or villous adenoma) or adenomas with severe/high-grade dysplasia