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Evaluation of a national resource to identify and study rare diseases: the Australian Paediatric Surveillance Unit
Suwen He1, Yvonne A Zurynski, Elizabeth J Elliott
1Australian Paediatric Surveillance Unit, The Children's Hospital at Westmead, Westmead, NSW, Australia.
Insights
The Australian Paediatric Surveillance Unit (APSU) effectively collects data on rare childhood conditions, informing policy and practice. Continued funding is crucial for its stability and ongoing success in child health surveillance.
Area of Science:
- Public Health Surveillance
- Epidemiology of Rare Childhood Conditions
- Child Health Policy and Practice
Background:
- The Australian Paediatric Surveillance Unit (APSU) is a key system for monitoring rare childhood diseases.
- Evaluating surveillance systems is essential for ensuring their effectiveness and impact on public health.
- Understanding user feedback is vital for the continuous improvement of public health initiatives.
Purpose of the Study:
- To conduct a comprehensive evaluation of the Australian Paediatric Surveillance Unit (APSU).
- To assess the APSU's performance against established surveillance system criteria.
- To gather feedback from key stakeholders, including clinicians, researchers, and public health professionals.
Main Methods:
- Utilized Centres for Disease Control and Prevention (CDC) criteria for evaluating surveillance systems.
- Reviewed APSU productivity, response rates, mailing list completeness, and study impacts.
- Administered anonymous evaluation questionnaires to 1260 reporting clinicians, 42 researchers, and 86 public health professionals.
Main Results:
- APSU data inform public health policy and clinical practice for rare childhood conditions.
- High participation (92%) and return rates (96%) were observed among clinicians.
- Users found APSU valuable for knowledge generation (81%), research priorities (78%), clinical practice (70%), and policy (70%).
Conclusions:
- APSU meets CDC criteria for usefulness, simplicity, acceptability, representativeness, sensitivity, and timeliness.
- The system is highly productive and valued by child health professionals and researchers.
- Lack of continuing core funding poses a threat to the stability of the APSU.
Aims:
To evaluate the Australian Paediatric Surveillance Unit (APSU).
Methods:
We used criteria recommended by the Centres for Disease Control and Prevention (CDC) for evaluating surveillance systems and reviewed productivity, response rates, completeness of the mailing list and impacts of APSU studies. Anonymous evaluation questionnaires were sent to 1260 reporting clinicians, 42 researchers and 86 public health professionals to seek their feedback as users of the APSU.
Results:
APSU provides national epidemiological and clinical data about rare childhood conditions that inform public health policy and clinical practice. Between 2000 and 2007, APSU data were disseminated in 106 journal articles, 207 scientific presentations and 85 media items. Of paediatricians and paediatric sub-specialists actively practicing in Australia and listed as Fellows of the Royal Australasian College of Physicians, 92% participate in APSU surveillance. An average 96% of monthly report cards were returned per annum since 2000. Sensitivity of case ascertainment was difficult to calculate for many conditions because alternative sources of ascertainment do not exist. Evaluation questionnaires were returned by 818 (65%) reporting clinicians, who believe APSU is valuable for generating knowledge 665 (81%), identifying research priorities 635 (78%), guiding clinical practice 572 (70%) and informing public health policy 575 (70%). Similar responses were received from researchers and public health professionals.
Conclusions:
The APSU fulfils its objectives and meets relevant CDC criteria for usefulness, simplicity, acceptability and representativeness, sensitivity and timeliness of data quality. However, stability is threatened by lack of continuing core funding. APSU is highly productive and valued by child health clinicians, researchers and public health professionals.
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