tailieunhanh - Identifying subgroups of patients using latent class analysis: Should we use a single-stage or a two-stage approach? A methodological study using a cohort of patients with low back pain

Heterogeneity in patients with low back pain (LBP) is well recognised and different approaches to subgrouping have been proposed. Latent Class Analysis (LCA) is a statistical technique that is increasingly being used to identify subgroups based on patient characteristics. |