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Comparison of three outcomes instruments in children
J Pencharz1, N L Young, J L Owen
1The Hospital for Sick Children, Toronto, ON, Canada.
Journal of Pediatric Orthopedics
|July 4, 2001
Summary
The Activities Scales for Kids (ASK) and Pediatrics Outcomes Data Collection Instrument (PODCI) showed better performance than the Child Health Questionnaire Parent Form (CHQ-PF-28) in pediatric outcome assessment. These findings aid in selecting appropriate pediatric health questionnaires.
Area of Science:
- Pediatric Health Outcomes Research
- Clinical Assessment Tools
- Child Health Measurement
Background:
- Accurate pediatric outcome assessment is crucial for effective healthcare.
- Multiple questionnaires exist, necessitating comparison for optimal use.
- Understanding the psychometric properties of these tools is vital.
Purpose of the Study:
- To prospectively compare the distribution, validity, and discriminative ability of three pediatric outcome questionnaires.
- Evaluate the Activities Scales for Kids (ASK), Child Health Questionnaire Parent Form (CHQ-PF-28), and Pediatrics Outcomes Data Collection Instrument (PODCI).
- Determine which questionnaire offers superior performance in pediatric populations.
Main Methods:
- Prospective study comparing ASK, CHQ-PF-28, and PODCI.
- Patients completed questionnaires; scores were compared with parent and clinician ratings.
- Analysis included score distributions, validity, and discriminative ability.
Main Results:
- 166 of 210 patients (79%) completed all three questionnaires.
- CHQ-PF-28 exhibited different distributions with significant floor and ceiling effects.
- ASK and PODCI demonstrated high correlation, better discrimination, and fewer floor/ceiling effects than CHQ-PF-28.
Conclusions:
- ASK and PODCI are more robust than CHQ-PF-28 for pediatric outcome assessment.
- The chosen questionnaire impacts the interpretation of pediatric health status.
- Further research may clarify the distinct aspects measured by each instrument.