# Using existing questionnaires in latent class analysis: should we use summary scores or single items as input? A methodological study using a cohort of patients with low back pain

> Research article (Clinical Epidemiology, 2016) · cited 34× · AI/ML

**Wikidata**: [openalex:W2344561071](https://www.wikidata.org/wiki/openalex:W2344561071)  
**Source**: https://4ort.xyz/entity/using-existing-questionnaires-in-latent-class-analysis-should-we-use-summary-scores-or-single-items-as-input-a-methodolo