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Table 1 Main demographic data of the enrolled subjects

From: Early detection of colorectal adenocarcinoma: a clinical decision support tool based on plasma porphyrin accumulation and risk factors

Demographic data Patients (100) Control subjects (112)
Gender Female Male Female Male
42 58 56 56
Age [y]: median (range) 65 (28–88) 65 (46–88) 56 (19–78) 57 (23–82)
BMI [kg/m2]
  < 18.50 1 (2.4%) 2 (3.4%) 3 (5.4%) 0 (0%)
 18.50–24.99 25 (59.5%) 23 (39.7%) 37 (66.1%) 31 (55.4%)
 25.00–29.99 12 (28.6%) 26 (44.8%) 13 (23.2%) 18 (32.1%)
  ≥ 30.00 4 (9.5%) 7 (12.1%) 3 (5.4%) 7 (12.5%)
Alcohol consumption [drinks/day]
 none 19 (45.2%) 6 (10.3%) 32 (57.1%) 26 (46.4%)
  < 1 13 (31.0%) 17 (29.3%) 13 (23.2%) 11 (19.6%)
  ≥ 1 10 (23.8%) 35 (60.4%) 11 (19.6%) 19 (34.0%)
Red meat intake [portions/week]
 none 1 (2.4%) 0 (0%) 3 (5.4%) 1 (1.8%)
 1–2 15 (35.7%) 13 (22.4%) 27 (48.2%) 29 (51.8%)
 3–4 19 (45.2%) 35 (60.4%) 23 (41.1%) 19 (33.9%)
  > 4 7 (16.7%) 10 (17.2%) 3 (5.4%) 7 (12.5%)
Vegetables [portions/day]
 none 10 (23.8%) 4 (6.9%) 10 (17.9%) 14 (25.0%)
 1 28 (66.7%) 51 (87.9%) 33 (58.9%) 30 (53.6%)
  > 1 4 (9.5%) 3 (5.2%) 13 (23.2%) 12 (21.4%)
Smoking
 never smoker 28 (66.7%) 30 (51.7%) 38 (67.9%) 30 (53.6%)
 former smoker 5 (11.9%) 17 (29.3%) 7 (12.5%) 14 (25.0%)
 current smoker 9 (21.4%) 11 (19.0%) 11 (19.6%) 12 (21.4%)
Family history of CRC
 yes 3 (7.1%) 11 (19.0%) 26 (46.4%) 20 (35.7%)
 no 39 (92.9%) 47 (81.0%) 30 (53.6%) 36 (64.3%)
  1. BMI body mass index