Comparability of Electronic and Paper Visual Analogue Scales

Increasing digitalization of clinical outcome assessments (COAs) prompts questions about equivalence between data captured from paper and electronic instrument versions.

Signant’s Bill Byrom collaborated with industry colleagues to evaluate published data examining measurement comparability of both formats of the visual analog scale (VAS), which is commonly found in a variety of outcome measures.

Read about their conclusions and recommendations when migrating from paper to electronic administration of VAS.

This article was originally published in Therapeutic Innovation & Regulatory Science and is available via open access.