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Considering the full care pathway in regional variation in paediatric otitis media treatment in the Netherlands: an
Vera de Weerdt1,2, Christel van Dijk3, Jako Burgers4,5
1Health Economics, Vrije Universiteit, Amsterdam, the Netherlands.
Insights
Regional variation in paediatric otitis media (POM) treatment, including acute otitis media (AOM) and otitis media with effusion (OME), decreases when accounting for prior care steps. Adjusting for frequent AOM/persistent OME rates significantly reduces variation in referrals and surgeries.
Area of Science:
- Otolaryngology
- Health Services Research
- Paediatric Medicine
Background:
- Paediatric otitis media (POM) treatment, including ventilation tube insertion for acute otitis media (AOM) and otitis media with effusion (OME), has shown potential for unwarranted regional variation.
- Quality improvement initiatives like Audit & Feedback (A&F) may overestimate variation by not considering the entire care pathway.
Purpose of the Study:
- To assess regional variation across all steps of the POM care pathway: general practitioner (GP) contacts, referrals, and surgeries.
- To investigate the impact of prior care steps on the observed regional variation in POM treatment.
Main Methods:
- An observational study utilizing linked electronic health records from general practices and specialist claims data.
- Analysis of 272,790 children aged 12 years or younger between 2017 and 2018.
- Multilevel logistic regression was used to calculate the coefficient of variation (CV) for each care step and assess the effect of adjusting for prior care processes.
Main Results:
- Regional variation increased progressively through the care pathway: GP contacts (CV 0.110), referrals (CV 0.179), and surgery (CV 0.239).
- Higher rates of frequent AOM/persistent OME correlated with increased referral (OR 1.06) and surgical rates (OR 1.08).
- Adjusting for regional frequent AOM/persistent OME prevalence significantly reduced variation in referrals (CV 0.103 vs 0.128) and surgery (CV 0.047 vs 0.059).
Conclusions:
- Regional variation exists in GP contacts for POM and is more pronounced in subsequent referral and surgical steps.
- Accounting for the prevalence of frequent AOM/persistent OME substantially mitigates regional treatment variation.
- Future quality improvement efforts, including A&F, should incorporate prior care pathway data and develop targeted interventions for POM management.
Objective:
Ventilation tube insertion for paediatric otitis media (POM), including acute otitis media (AOM) and otitis media with effusion (OME), has been signalled in the past for potential unwarranted treatment variation. Quality improvement initiatives, like Audit & Feedback (A&F), often ignore the care pathway when identifying such variation, possibly overestimating variation at a specific care step. To gain more insight into the effect of prior care steps, this study examined (1) the degree of regional variation in each step of the care pathway (general practitioner (GP) contacts, referrals and surgeries) and (2) investigated the effect of adjusting for prior care steps.
Design:
Observational study using general practice electronic health record data linked to specialist claims data.
Participants:
272 790 children ≤12 years with and without POM registered in 320 GP practices between 2017 and 2018.
Primary And Secondary Outcomes:
Using multilevel logistic regression, the degree of regional variation in each step of the POM care pathway was assessed by calculating the coefficient of variation (CV).The effect of adjusting for prior care steps was determined by estimating correlations between subsequent care steps and analysing the impact on the CV.
Results:
Regional variation in POM treatment was larger in each subsequent step in the care pathway (CV POM GP contacts 0.110; referral 0.179; surgery 0.239). In regions with a higher proportion of children with frequent AOM/persistent OME, referral rates were higher (POM: OR: 1.06; 95% CI: 1.02 to 1.11) and surgical rates were higher (for OME only: OR: 1.08; 95% CI: 1.02 to 1.15). Regional variation in referrals and surgery decreased after adjusting for the regional frequent AOM/persistent OME rate (CV referrals POM 0.103 vs 0.128; CV surgery OME 0.047 vs 0.059).
Conclusions:
Regional variation is observed in GP contact rates for POM and is larger in referrals and surgeries. Adjusting for the proportion of frequent AOM/persistent OME significantly reduces regional variation in POM treatment. Future A&F should adjust for prior care processes and develop tailored interventions for quality improvement.
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