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An Adminstrative Data Merging Solution For Dealing With Missing Data In A Clinical Registry: Adaptation To ICD-9 to ICD-10
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Humphries, K., Norris, C.M., Quan, H., Galbraith, P.D., Southern, D.A., Gao, M., Knudtson, M.L., Ghali, W.A., Shrive, F.M.
Background: We have previously described a method for dealing with missing data in a prospective cardiac registry initiative. The method involves merging registry data to corresponding ICD-9-CM administrative data to fill in missing data 'holes'. Here, we describe the process of translating our...
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The changing causal foundations of cancer-related symptom clustering during the final month of palliative care: A longitudinal study
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Hanson, J., Hayduk, L., Quan, H., Olson, K., Strasser, F., Cui, Y., Lawlor, P., Cree, M.
Background: Symptoms tend to occur in what have been called symptom clusters. Early symptom cluster research was imprecise regarding the causal foundations of the coordinations between specific symptoms, and was silent on whether the relationships between symptoms remained stable over time. This...