Skip to main content

Table 1 Characteristics of the sample of CRC survivors by categories of WCRF/AICR score

From: Pre-diagnostic concordance with the WCRF/AICR guidelines and survival in European colorectal cancer patients: a cohort study

   WCRF/AICR score categories
  All participants Category 1 Category 2 Category 3 Category 4
Score range (men)/(women) (0–6)/(0–7) (0–2)/(0–3) (2.25–2.75)/(3.25–3.75) (3–3.75)/(4–4.75) (4–6)/(5–7)
No. of participants 3,292 707 964 1,118 503
Age at recruitment, years [mean (SD)] 58.2 (7.6) 57.8 (7.2) 58.1 (7.6) 58.4 (7.6) 58.7 (8.7)
Age at CRC diagnosis, years [mean (SD)] 64.6 (8.0) 64.1 (7.6) 64.7 (7.8) 64.6 (7.8) 65.1 (9.0)
Follow-up time from recruitment to CRC diagnosis, years [mean (SD)] 6.4 (3.3) 6.3 (3.4) 6.6 (3.3) 6.2 (3.3) 6.3 (3.4)
Follow-up time from CRC diagnosis to end of follow-up, years [mean (SD)] 4.2 (3.3) 4.1 (3.3) 4.1 (3.2) 4.3 (3.4) 4.3 (3.3)
Deaths due to any cause [n (%)] 1,113 (33.8) 255 (36.1) 333 (34.2) 359 (32.1) 169 (33.6)
Deaths due to CRC [n (%)] 872 (26.5) 206 (29.1) 260 (27.0) 283 (25.3) 123 (24.5)
Tumor stage [%]      
  I 18.3 19.7 18.4 18.3 16.3
  II 18.5 19.2 17.8 18.3 19.5
  III 26.2 24.9 28.5 25.8 24.6
  IV 10.2 12.7 9.1 9.9 9.5
  Unknown 26.7 23.5 26.1 27.7 30.0
Tumor grade [%]      
  Well differentiated 7.3 8.8 7.9 6.2 6.8
  Moderately differentiated 29.0 29.8 29.5 28.9 26.8
  Poorly/Undifferentiated 7.6 6.7 8.0 8.6 5.8
  Unknown 56.2 54.7 54.7 56.4 60.6
Tumor site [%]      
  Colon – Proximal 28.9 28.0 28.1 28.2 33.0
  Colon – Distal 28.7 30.4 28.8 28.9 25.5
  Colon – Unspecified 5.4 4.8 5.7 5.6 5.0
  Rectum 37.1 36. 8 37.3 37.3 36.6
Sex [%]      
  Men 45.5 42.9 45.0 47.4 45.7
  Women 54.5 57.1 55.0 52.6 54.3
Educational level [%]      
  None 5.0 5.5 6.0 4.3 3.6
  Primary school 32.8 33.8 34.1 34.8 24.7
  Technical school 22.7 23.9 23.6 20.5 24.3
  Secondary school 15.4 13.9 14.1 17.1 16.3
  University degree 19.8 19.8 18.6 19.4 23.1
  Not specified/Unknown 4.3 3.1 3.6 3.9 8.2
Smoking status [%]      
  Never smokers 41.6 36.6 39.8 43.3 47.9
  Former smokers 34.0 32.5 34.1 35.4 32.4
  Current smokers 23.5 29.6 25.0 20.6 18.7
  Unknown 1.0 1.3 1.0 0.7 1.0