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Journal of Clinical Epidemiology|January 13, 2009
Quantile regression and restricted cubic splines are useful for exploring relationships between continuous variablesRuth Ann Marrie, Neal V Dawson, Allan GarlandJournal of Clinical Epidemiology|January 1, 1991
Anti-anginal therapy and quality of life. A comparison of the effects of transdermal nitroglycerin and long-acting oral nitratesA Nissinen, I Wiklund, T Lahti, et al.Journal of Clinical Epidemiology|October 7, 2008
New study design evaluated the validity of measures to assess change after hip or knee arthroplastyPaul W Stratford, Deborah M Kennedy, Daniel L RiddleJournal of Clinical Epidemiology|October 7, 2008
Extended recruitment efforts minimize attrition but not necessarily biasRobin Haring, Dietrich Alte, Henry Völzke, et al.Journal of Clinical Epidemiology|May 6, 2004
Perception of prognostic risk in patients with multiple sclerosis: the relationship with anxiety, depression, and disease-related distressA Cecile J W Janssens, Pieter A van Doorn, Josien B de Boer, et al.Journal of Clinical Epidemiology|July 13, 2004
Blinding was judged more difficult to achieve and maintain in nonpharmacologic than pharmacologic trialsIsabelle Boutron, Florence Tubach, Bruno Giraudeau, et al.Journal of Clinical Epidemiology|April 23, 2005
Identifying studies for systematic reviews of diagnostic tests was difficult due to the poor sensitivity and precision of methodologic filters and the lack of information in the abstractJ A Doust, E Pietrzak, S Sanders, et al.Journal of Clinical Epidemiology|April 23, 2005
New patient-oriented diagnostic test characteristics analogous to the likelihood ratios conveyed information on trustworthinessShai LinnJournal of Clinical Epidemiology|April 23, 2005
Reliability and validity of the PORPUS, a combined psychometric and utility-based quality-of-life instrument for prostate cancerPaul Ritvo, Jane Irvine, Gary Naglie, et al.Journal of Clinical Epidemiology|April 23, 2005
A cohort study found good respiratory, sensory and motor functions decreased mortality risk in older peopleTiina-Mari Lyyra, Esko Leskinen, Eino HeikkinenPageof 674