The CALIPER App is a mobile application designed for paediatricians, family physicians, other healthcare workers, and parents worldwide. It serves as a user-friendly tool to quickly and easily assess a child’s laboratory test results. The app achieves this by comparing individual results to a comprehensive, validated database of over 100 up-to-date reference intervals, specifically developed for healthy children and adolescents. These reference values originate from the Canadian Laboratory Initiative for Pediatric Reference Intervals (CALIPER) at the Hospital for Sick Children, addressing the previous lack of accurate paediatric lab test values by reflecting the rapid developmental and hormonal changes in childhood. By simply entering a child’s results, sex, and age, the app displays how these values relate to the normal range, thereby assisting users in identifying abnormal results and guiding follow-up actions.
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**Answers to Specific Questions:**
1. **What is the CALIPER App?**
The CALIPER App is a user-friendly mobile tool developed to assess a child’s laboratory test results by comparing them against the latest reference value database developed based on values in healthy children and adolescents.
2. **Who is the target audience for the CALIPER App?**
The target audience includes paediatricians, family physicians, other healthcare workers, and parents worldwide.
3. **What problem does the CALIPER App solve regarding paediatric lab results?**
It solves the problem of using outdated or inaccurate reference values for many paediatric lab tests by providing current reference intervals that accurately reflect the influence of rapid developmental and hormonal changes occurring during childhood.
4. **How does the app assist users in interpreting lab results?**
Users select the test of interest, enter the individual’s results, and select their sex and age. The app then displays how these results relate to the CALIPER reference database, allowing for efficient and easy comparison against normal ranges.
5. **What is the origin of the reference intervals used in the app?**
The reference intervals were determined as part of the Canadian Laboratory Initiative for Pediatric Reference Intervals (CALIPER) at the Hospital for Sick Children, an ongoing nation-wide study of normal values in paediatric lab results.
6. **Approximately how many tests are covered by the CALIPER database?**
The CALIPER database covers more than 100 tests.
7. **Why is it particularly important to have specific reference intervals for children, as opposed to using adult values?**
It is important because children undergo rapid developmental and hormonal changes that significantly influence laboratory test values, making adult reference intervals unsuitable and potentially misleading for paediatric assessments.
8. **How does the app alert healthcare professionals about potentially abnormal results?**
When a patient’s results, as displayed by the app’s output, fall outside of the expected reference range, this alerts physicians and laboratory professionals to the need for follow-up testing and can signal that changes to treatment or monitoring are required.
