Digestive Diseases and Sciences

, Volume 60, Issue 10, pp 2930–2936 | Cite as

Patient Non-adherence and Cancellations Are Higher for Screening Colonoscopy Compared with Surveillance Colonoscopy

  • Michael Greenspan
  • Navdeep Chehl
  • Krista Shawron
  • Lisa Barnes
  • Hong Li
  • Elizabeth Avery
  • Shannon Sims
  • John Losurdo
  • Sohrab Mobarhan
  • Joshua Melson
Original Article



A significant proportion of the eligible population is non-adherent to colonoscopy for colorectal cancer (CRC) screening.


To define the demographic and clinical variables associated with non-adherence and multiple cancellations to scheduled colonoscopy within 1 year in a CRC screening and adenomatous polyp surveillance population.


This was an observational cohort study of 617 consecutive patients scheduled to undergo colonoscopy at an outpatient academic tertiary care center for CRC screening or adenomatous polyp surveillance from January 2012 to September 2012.


Overall, 551 patients (89.3 %) were adherent and 66 (10.7 %) were non-adherent to scheduled colonoscopy at 1 year. The relative risk for non-adherence was 5.42 [95 % confidence interval (CI) 2.74–10.75] in patients undergoing colonoscopy for screening compared to those for surveillance (16.7 vs. 3.5 % non-adherence, respectively, P < 0.001). An indication of screening in comparison with surveillance was associated with non-adherence [odds ratio (OR) 12.69, 95 % CI 4.18–38.51] and multiple cancellations (OR 2.33, 95 % CI 1.27–4.31) by multiple regression analysis.


Patients undergoing colonoscopy for CRC screening are significantly less likely to attend their scheduled procedure within a year and have more procedure cancellations than those undergoing surveillance colonoscopy.


Colorectal cancer screening Colonoscopy Surveillance Adherence 



Assistance with data acquisition by Ms. Rosa Burke is gratefully acknowledged. Funding for this study was supported in part by the American Cancer Society Grant No. 255086.

Conflict of interest



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Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  • Michael Greenspan
    • 1
  • Navdeep Chehl
    • 1
  • Krista Shawron
    • 1
  • Lisa Barnes
    • 2
  • Hong Li
    • 3
  • Elizabeth Avery
    • 3
  • Shannon Sims
    • 4
  • John Losurdo
    • 1
  • Sohrab Mobarhan
    • 1
  • Joshua Melson
    • 1
  1. 1.Department of Medicine, Division of Digestive DiseasesRush University Medical CenterChicagoUSA
  2. 2.Department of Neurological Sciences and Behavioral SciencesRush University Medical CenterChicagoUSA
  3. 3.Department of Preventive MedicineRush University Medical CenterChicagoUSA
  4. 4.Rush University Medical CenterChicagoUSA

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