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Table 1 Patient characteristics (N = 1,230)

From: Developing model-based algorithms to identify screening colonoscopies using administrative health databases

Patient characteristic

N

%

Age (mean, sd)

60.1 (6.9)

 

Male sex

597

48.5

Patient reported symptomsa

573

46.6

Patient reported gastrointestinal conditionsb

350

28.5

Patient reported positive FOBTc in the past 12 months

71

5.8

Endoscopist indication = screening

576

46.8

Patient indication 1d = screening

627

51.0

Patient indication 2e = screening

478

38.9

  1. a Symptoms include rectal bleeding, lower abdominal pain, unintentional weight loss, and change in bowel habits in the past 6 months, as well as anemia in the past 12 months.
  2. b Gastrointestinal conditions include colorectal cancer, colorectal polyps, inflammatory bowel disease, and previous bowel surgery.
  3. c Fecal occult blood test.
  4. d Patient indication 1 is non-screening when patient perceived reason for the colonoscopy was to follow up on a problem or a previous test, and is screening otherwise.
  5. e Patient indication 2 is non-screening when patient reports specific symptoms, personal history of gastrointestinal conditions, or recent positive FOBT, and is screening otherwise.