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עמוד בית
Sat, 25.05.24

ORIGINAL ARTICLES

IMAJ | volume 25

Journal 1, January 2023
pages: 13-17

Effect of Doctor's and Assisting Nurse's Years of Experience on Polyp Detection Rate: A Retrospective Cohort

1 Department of Gastroenterology and Hepatology, Hillel Yaffe Medical Center, Hadera, Israel 2 Rappaport Faculty of Medicine, Technion–Institute of Technology, Haifa, Israel

Summary

Background:

Polyp detection rate (PDR) is a convenient quality measure indicator. Many factors influence PDR, including the patient's background, age, referral (ambulatory or hospitalized), and bowel cleansing.

Objectives:

To evaluate whether years of professional experience have any effect on PDR.

Methods:

A multivariate analysis of a retrospective cohort was performed, where both patient- and examiner-related variables, including the experience of doctors and nurses, were evaluated. PDR, as the dependent variable was calculated separately for all (APDR), proximal (PPDR), and small (SPDR) polyps.

Results:

Between 1998 and 2019, 20,996 patients underwent colonoscopy at a single center. After controlling for covariates, the experience of both doctors and nurses was not found to be associated with APDR (odds ratio [OR] 0.99, 95% confidence interval [95%CI] 0.98–1.00, P = 0.15 and OR 1.03, 95%CI 1.02–1.04, P < 0.0001, respectively). However, after 2.4 years of colonoscopy experience for doctors, and 9.5 years of experience for nurses, a significant increase in APDR was observed. Furthermore, results revealed no association for PPDR and SPDR, as well.

Conclusions:

Years of colonoscopy experience for both doctors and assisting nurses were not associated with APDR, PPDR, and SPDR. In doctors with 2.4 years of experience and nurses with 9.5 years of experience, a significant increase in APDR was observed.

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