Chen, Guanmin

Validation of a case definition to define hypertension using administrative data

Quan, H., Khan, N., Hemmelgarn, B. R., Tu, K., Chen, G., Campbell, N., Hill, M. D., Ghali, W. A., & McAlister, F. A. (2009) · Hypertension

Medical Coding and Health InformationBlood Pressure and Hypertension Studies

Cited by 350

Measuring agreement of administrative data with chart data using prevalence unadjusted and adjusted kappa

Chen, G., Faris, P., Hemmelgarn, B., Walker, R. L., & Quan, H. (2009) · BMC Medical Research Methodology

Reliability and Agreement in MeasurementMedical Coding and Health Information

Cited by 183

Validation of a case definition for depression in administrative data against primary chart data as a reference standard

Doktorchik, C., Patten, S., Eastwood, C., Peng, M., Chen, G., Beck, C. A., Jetté, N., Williamson, T., & Quan, H. (2019) · BMC Psychiatry

Medical Coding and Health InformationMental Health Treatment and Access

Cited by 156