Impact of missing data on bias and precision when estimating change in patient-reported outcomes from a clinical registry

by Olawale F. Ayilara, Lisa Zhang, Tolulope T. Sajobi, Richard Sawatzky, Eric Bohm, Lisa M. Lix
Published 2019-06-01

Differential item functioning of the SF-12 in a population-based regional joint replacement registry

by Iraj Yadegari, Eric Bohm, Olawale F. Ayilara, Lixia Zhang, Richard Sawatzky, Tolulope T. Sajobi, Lisa M. Lix
Published 2019-07-01