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Table 3 Areas under the curve for multivariable prediction of cancer and adenomas

From: The value of age and medical history for predicting colorectal cancer and adenomas in people referred for colonoscopy

  Cancer Advanced Adenoma Adenomas
6 - 9 mm
Adenomas
≤5 mm
Model 1:
Age
0.66 0.62 0.60 0.62
Model 2:
Model 1 + gender, previous colonoscopy, education level
0.77 0.66 0.62 0.64
Model 3:
Model 2 + history of: smoking, IBS, adenomas, or NSAID, aspirin use
0.79 0.69 0.65 0.66
Model 4:
Model 3 + symptoms*
0.83 0.70 0.67 0.67
  1. Note: NSAID = non- steroidal anti-inflammatory drug
  2. IBS = irritable bowel syndrome
  3. *only bleeding, rectal mucus, anaemia and fatigue were found to be significant and included in the final model.