Figure 1
The conceptual framework used to analyze scoliosis screening, focusing on five main dimensions: Technical Efficacy , which relates to the validity and reliability of the tests; Clinical Effectiveness , which describes the importance of the health problem and the consequences of screening on patient management and the health system; Program Effectiveness which refers to the benefits for the patients of adherence to the screening programs; Cost-Effectiveness where these benefits are balanced against costs for society and Treatment Effectiveness which concerns the benefits for patients of the available treatment modalities.