A new method of classifying prognostic comorbidity in longitudinal studies: Development and validation

Mary E. Charlson, Peter Pompei, Kathy L. Aleš, +1

Journal of Chronic Diseases

Prognostic AssessmentLongitudinal StudiesPrognostic ComorbidityRetrospective Cohort StudyPsychiatry +9

Maximum utilization of the life table method in analyzing survival

Sidney J. Cutler, Fred Ederer

Journal of Chronic Diseases

EngineeringLife PredictionLongevityGlobal HealthLife Cycle Assessment +7

Bias in analytic research

David L. Sackett

Journal of Chronic Diseases

Selection BiasBiasAnalytic ResearchResearch EthicsBias Detection +1

Indices of relative weight and obesity

Ancel Keys, Flaminio Fidanza, Martti J. Karvonen, +2

Journal of Chronic Diseases

ObesityWeight StatusNutritionChildhood ObesityRelative Weight +8

Measuring change over time: Assessing the usefulness of evaluative instruments

Gordon Guyatt, Stephen D. Walter, Geoff Norman

Journal of Chronic Diseases

Performance StudiesChange Impact AnalysisEvaluation MeasureManagementEvaluative Instruments +7

A questionnaire for the assessment of leisure time physical activities

Henry L. Taylor, David R. Jacobs, Beth Schucker, +3

Journal of Chronic Diseases

Leisure StudyPhysical ActivityKinesiologyLeisure StudiesPhysical Exercise +5

A methodological framework for assessing health indices

Bram Kirshner, Gordon Guyatt

Journal of Chronic Diseases

Health IndicesHealth Risk AssessmentPublic Health

Measuring the quality of life of cancer patients

Walter O. Spitzer, Annette J. Dobson, Jane Hall, +5

Journal of Chronic Diseases

Quality Of LifeFamily MedicineLife AssessmentMedicineOutcomes Research +4

The pre-therapeutic classification of co-morbidity in chronic disease

Alvan R. Feinstein

Journal of Chronic Diseases

Chronic Disease ManagementDisease ProgressionChronic DiseaseNon-communicable DiseasePre-therapeutic Classification +1

Variations in mortality by weight among 750,000 men and women

Edward A. Lew, Lawrence Garfinkel

Journal of Chronic Diseases

ObesityEpidemiological TrendCardiovascular EpidemiologyEpidemiological OutcomeOverweight +8