Reliability, validity and discriminability of patient reported outcomes for non-specific low back pain in a nationwide physical therapy registry: A retrospective observational cohort study.
Guus A MeerhoffArie C VerburgRenske M SchapendonkJuliette CruijsbergMaria W G Nijhuis-van der SandenSimone A van DulmenPhilip J Van der WeesPublished in: PloS one (2021)
PROMs of patients with NSLBP collected in the national clinical registry of KNGF are reliable, valid and able to discriminate between primary care PT practices.