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Table 1 Demographic and clinical characteristics of patients and controls

From: Changes in gut microbiota and plasma inflammatory factors across the stages of colorectal tumorigenesis: a case-control study

  CRC (n = 130) A-CRA (n = 88) polyps (n = 62) controls (n = 130) P Value
Gender
 Male 65 (50.0%) 55 (62.5%) 31 (50.0%) 65 (50.0%) 0.228
 Female 65 (50.0%) 33 (37.5%) 31 (50.0%) 65 (50.0%)
Age(years)a 60.5 (9.8) 59.6 (10.3) 56.5 (8.9) 58.6 (8.9) 0.045
BMI (kg/m2)
  < 24.0 69 (53.1%) 44 (50.0%) 30 (48.4%) 74 (56.9%) 0.299
 24.0-27.9 51 (39.2%) 34 (38.6%) 20 (32.3%) 43 (33.1%)
  ≥ 28.0 10 (7.7%) 10 (11.4%) 12 (19.4%) 13 (10.0%)
Alcohol drinking
 Never 98 (75.4%) 61 (69.3%) 50 (80.6%) 109 (83.8%) 0.069
 Ever 32 (24.6%) 27 (30.7%) 12 (19.4%) 21 (16.2%)
Smoking
 Never 91 (70.0%) 54 (61.4%) 42 (67.7%) 105 (80.8%) 0.015
 Ever 39 (30.0%) 34 (38.6%) 20 (32.3%) 25 (19.2%)
Lesion location
 Proximal 45 (34.6%) 27 (30.7%) 30 (48.4%) 0.072
 Distal 85 (65.4%) 61 (69.3%) 32 (51.6%)
Hypertension
 No 89 (68.5%) 58 (65.9%) 45 (72.6%) 88 (67.7%) 0.854
 Yes 41 (31.5%) 30 (34.1%) 17 (27.4%) 42 (32.3%)
Heart Disease
 No 122 (93.8%) 83 (94.3%) 59 (95.2%) 128 (98.5%) 0.223
 Yes 8 (6.2%) 5 (5.7%) 3 (4.8%) 2 (1.5%)
Diabetes
 No 117 (90.0%) 80 (90.9%) 59 (95.2%) 120 (92.3%) 0.658
 Yes 13 (10.0%) 8 (9.1%) 3 (4.8%) 10 (7.7%)
  1. aAge was shown as mean (SD). BMI Body mass index