Does analysis using "last observation carried forward" introduce bias in dementia research?
Molnar
Frank J
FJ
The Division of Geriatric Medicine, Department of Internal Medicine, University of Ottawa, Ottawa, Ont. fmolnar@ottawahospital.on.ca
Hutton
Brian
B
Fergusson
Dean
D
D000368:Aged; D000369:Aged, 80 and over; D015982:Bias; D035843:Biomedical Research; D002908:Chronic Disease; D003704:Dementia / Q000175:diagnosis / Q000188:drug therapy*; D018450:Disease Progression; D006801:Humans; D016013:Likelihood Functions; D008137:Longitudinal Studies; D018377:Neurotransmitter Agents / Q000627:therapeutic use*; D019370:Observation / Q000379:methods; D017063:Outcome Assessment, Health Care / Q000379:methods; D010352:Patient Dropouts / Q000706:statistics & numerical data*; D018579:Patient Selection; D016032:Randomized Controlled Trials as Topic / Q000379:methods*; D012107:Research Design; D012680:Sensitivity and Specificity; D013223:Statistics as Topic / Q000379:methods*
D018377:Neurotransmitter Agents