Hospital Boston, noted the following: 'If all variation were bad then solutions would be easy. The difficulty is in reducing bad variation, which reflects the limits of professional knowledge, and failures in its application, whilst preserving the good variation that makes care patient centred.' 1 Variation in care refers to variation in diagnostic and treatment practices, including medications prescribed, imaging and pathology ordered, procedures and interventions performed, and referrals made. It is important because it inevitably reflects variation in quality of care and associated costs. Whilst the British Medical Journal editorial statement is undoubtedly true, there is little published about variation in paediatric clinical practice. Before paediatricians and policy makers can begin to sort 'good' or warranted from 'bad' or unwarranted variation, we need a deeper understanding within paediatric practice of where variation occurs, what aspects are considered to be warranted or unwarranted and whether there are modifiable, systems-based factors that can reduce the latter. To this end, the then NSW Kids and Families commissioned a rapid review of the evidence of variation in paediatric clinical care in inpatient, outpatient and emergency department (ED) settings. The full review was published in November 2014 and is available at https://www.saxinstitute.org.au/publications/evidencecheck-library/variation-in-paediatric-clinical-practice/.2 A rapid review is a form of knowledge synthesis in which components of the systematic review process are simplified or omitted to produce information in a timely manner (e.g. omission of study quality ratings, as per this review). 3 The review focused on variation in care in developed countries for 16 common child health conditions and systemic factors associated with this variation. The following databases were searched: Ovid MEDLINE, CINAHL (EBSCO), PsychInfo, Cochrane library and PubMed, as well as published reviews, and references of retrieved, relevant articles. This paper presents an executive summary of the review along with research and policy implications arising.
Executive SummaryVariation in paediatric clinical care is common. It occurs across diseases, clinicians and settings. Wennberg's framework is the most common framework used to understand variation in clinical care.
4It describes both warranted and unwarranted variation, with unwarranted variation being defined as 'variation that cannot be explained by type or severity of illness or by patient preferences'. Unwarranted variation is further categorised as variation in the following:• effective care, that is, when proven, clinically effective care is not used; • preference-sensitive care, that is, where there are two or more choices for care and the choice made is ideally be driven by patient preferences; and • supply-sensitive care, that is, when variation arises not due to evidence but due to supply of health-care resources such as doctors or diagnostic services. The review found widespread variation across...