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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.