The Day of the Week Does Not Affect the Adenoma Detection Rate

Cantisano, Brenda G. Jimenez; Hernandez, Marlow; Ramírez, A. Pascual; Castro, Fernando

doi:10.1007/s10620-013-2944-y

Cited by 8 publications

(5 citation statements)

References 21 publications

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“…In mixed effects regression models in our research, ADR dropped significantly on Fridays and weekends compared to Monday, and the progressive decline trend of ADR was obvious. A similar phenomenon was shown in the cytotechnologists that the abnormal detection rates and screening speed would decreased in the later days of a week [22]. The well-known 'weekend effect' demonstrated that an admission to a hospital at weekends would show a higher mortality than others probably because of the poor medical care partly caused by the fatigue of medical staff [23,24].…”

Section: Discussionsupporting

confidence: 55%

Negative Effects of Endoscopists’ Fatigue on Colonoscopy Quality on 34,022 Screening Colonoscopies

Dong

Wang

Chen

et al. 2021

JGLD

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Background and Aims: There is still considerable controversy surrounding the relationship between fatigue of endoscopists and the quality of colonoscopy. The aim of this study is to comprehensively explore the association between fatigue and adenoma detection rate (ADR) and cecal intubation rate (CIR). Methods: The mixed effects logistic regression model was used to explore the relationship between fatigue- related factors including procedure order, session of procedures and the day of week and ADR as well as CIR. Results: When controlling for confounders, the day of week (Monday as reference, Friday, p=0.022; weekends, p=0.015) and session of procedures (P<0.001) were significantly associated with ADR while procedure order (<5 as reference, 6-10, p<0.001; >10, p=0.001) and session of procedures (p=0.004) were independent predictors for CIR. Additionally, there was a significant downward trend on ADR and CIR with the approaching of weekends (p=0.005) and increasing procedure orders (p<0.001), respectively. In the subgroup analysis stratified by gender, age and workload intensity, significant lower ADR was found in the afternoon in all subgroups (male, p<0.001; female, p=0.005; <40 years, p<0.001; ≥40 years, p=0.020; intensity<50 per month, p=0.017; intensity≥50 per month, p<0.001) but the downward trend on ADR as the week progressed was only found in endoscopists with male gender (p=0.011), age<40 (p=0.027) and high workload intensity (p=0.003). Moreover, a significant downward trend on CIR as the procedure order increased was found in all subgroups except endoscopists with age≥40 (male, p=0.005; female, p<0.001; <40 years, p<0.001; intensity<50 per month, p=0.001; intensity≥50 per month, p<0.001). Conclusions: Colonoscopies in the afternoon will affect ADR negatively while increasing procedure order will cause a lower CIR. Importantly, the significant negative influence of Friday and weekends on ADR was first discovered in this study. Moreover, endoscopists with female gender and advanced age (≥40) but not high workload intensity showed superiority in resistance of fatigue caused by the end of the week and increasing daily procedures.

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Section: Discussionsupporting

confidence: 55%

Negative Effects of Endoscopists’ Fatigue on Colonoscopy Quality on 34,022 Screening Colonoscopies

Dong

Wang

Chen

et al. 2021

JGLD

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“…18 However, our finding of no substantial difference in reading performance by weekday is supported by other studies. 19,20 We found a seemingly lower crude sensitivity on Saturdays, but consider this finding to be due to random variations at certain small study sites and the small number of FN.…”

Section: Discussionmentioning

confidence: 71%

Time of day and mammographic reader performance in a population-based breast cancer screening programme

et al. 2020

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Objectives To analyse how reader performance varied by time during the day in a population-based breast cancer screening programme. Methods A total of 2,937,312 readings from 148 radiologists and 1,468,656 women were included in this study from Norway. Number and percentages of mammographic readings, positive scores, true and false positive readings, true and false negative readings, sensitivity and specificity were presented for categories of time of day and for each day of the week. Multilevel mixed effect logistic regression models with restricted cubic splines were fitted to the data, and used to predict the odds ratio of the different performance measures. Results The following distribution was found for the performance measures during the study period: true positive: 12,463 (0.4%); false positive: 128,419 (4.4%); true negative: 2,794,636 (95.1%); and false negative: 1794 (0.06%). The percentage of positive readings (true positive and false positive) was highest before lunch and in the early afternoon (4.9%): false positive was highest in both periods (4.5%) and true positive was highest in the early afternoon (0.5%). The percentage of true negative was highest in the evening (95.6%), and of false negative was highest at lunchtime (0.07%). This corresponds to a gradually decreasing predicted sensitivity throughout the day. The opposite was observed for specificity. Conclusions Screen-reading early versus late during the day resulted in higher sensitivity, although at the cost of specificity. Despite small differences in the performance measures during the day, the results may be important in the discussion of optimal management of screening programmes.

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“…No variation between weekdays is demonstrated 138. In part, this is likely partially related to the bowel preparation quality 139…”

Section: The Standardsmentioning

confidence: 96%

Expert opinions and scientific evidence for colonoscopy key performance indicators

Rees

Bevan

Zimmermann-Fraedrich

et al. 2016

Gut

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Colonoscopy is a widely performed procedure with procedural volumes increasing annually throughout the world. Many procedures are now performed as part of colorectal cancer screening programmes. Colonoscopy should be of high quality and measures of this quality should be evidence based. New UK key performance indicators and quality assurance standards have been developed by a working group with consensus agreement on each standard reached. This paper reviews the scientific basis for each of the quality measures published in the UK standards.

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The Day of the Week Does Not Affect the Adenoma Detection Rate

Abstract: ADR is not influenced by the day of the week in which a colonoscopy is performed.

Cited by 8 publications

References 21 publications

Negative Effects of Endoscopists’ Fatigue on Colonoscopy Quality on 34,022 Screening Colonoscopies

Negative Effects of Endoscopists’ Fatigue on Colonoscopy Quality on 34,022 Screening Colonoscopies

Time of day and mammographic reader performance in a population-based breast cancer screening programme

Expert opinions and scientific evidence for colonoscopy key performance indicators

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