A Step Towards a Better Understanding of Pain Phenotypes: Latent Class Analysis in Chronic Pain Patients Receiving Multimodal Inpatient Treatment.

J Pain Res · 2020 · PMC7234963 · PMID 32523372

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did not reach statistical significanceno p-value reported

Mean duration of inpatient stay ranged from 15 days (class 3) to 19 days (class 4), but these differences did not reach statistical significance.

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