Results 261 to 270 of about 17,846,830 (303)

Longitudinal Study of Determinants of Dependence in an Elderly Population

Journal of the American Geriatrics Society, 2004
Objectives: To describe those factors, from the host of initial measures in ambulatory, independent older men and women, that were determinants of becoming dependent over an 8‐year follow‐up. Design: Initial measures in a cohort of ...
Donald H, Paterson, Devin, Govindasamy, Marjan, Vidmar, David A, Cunningham, John J, Koval   +4 more
openaire   +2 more sources

Balanced Designs in Longitudinal Population Pharmacokinetic Studies

The Journal of Clinical Pharmacology, 1998
A simulation study was performed using a balanced design to determine the sample size required for accurate and precise estimation of a parameter at a given level of intersubject variability in a longitudinal population pharmacokinetic study. A two‐compartment model parameterized in terms of clearance (Cl), volumes of the central (V1) and peripheral ...
E I, Ette, H, Sun, T M, Ludden
openaire   +2 more sources

Longitudinal Studies of Lead Levels in a US Population

Archives of Environmental Health: An International Journal, 1973
In an attempt to determine whether current levels of lead in the environment are causing any progressive change in the blood and urine lead concentrations of the US population, an investigation was undertaken to monitor, for a five-year period, urine and blood lead values of a population living in 23 US cities.
M, McLaughlin, A L, Linch, R D, Snee
openaire   +2 more sources

Postprocedural Problems in an Overdenture Population: A Longitudinal Study

Journal of Endodontics, 2004
This study reports on endodontic and other post-procedural problems experienced by overdenture patients from 1973 to 1996. There were 395 subjects enrolled in the study; 273 fulfilled the recall criteria. At recall, all subjects were examined by a single examiner, and appropriate maintenance care was performed.
Ronald L, Ettinger, Fang, Qian
openaire   +2 more sources

Longitudinal Study of Dental Implants in a Periodontally Compromised Population

Journal of Periodontology, 1999
Background: The purpose of this longitudinal study was to determine the clinical status and the composition of the subgingival microbiota of dental implants and natural teeth in patients with a history of periodontitis. Methods: Twenty‐five partially edentulous patients treated for moderate to advanced adult periodontitis and having a total of 42 ...
RAMAGLIA, LUCA, L. Sbordone, A. Barone, R. Ciaglia, V. J. Iacono   +4 more
openaire   +4 more sources

Longitudinal study of stimulated whole saliva in an elderly population

European Journal of Oral Sciences, 1992
The aim of this investigation, which is part of the longitudinal gerontologic population study in Gothenburg (H‐70), was to examine the effect of aging on salivary flow. Three 70‐yr‐old cohorts, born in 1901/02, 1906/07, and 1911/12, were studied both cross‐sectionally and longitudinally.
T, Osterberg, D, Birkhed, C, Johansson, A, Svanborg   +3 more
openaire   +2 more sources

Goitrous Autoimmune Thyroiditis in a Pediatric Population: A Longitudinal Study

Pediatrics, 2008
BACKGROUND. Patients with autoimmune thyroiditis can present with thyroid function that varies from euthyroidism to frank hypothyroidism or occasionally hyperthyroidism. Although there is a risk of progression from the euthyroid or subclinical hypothyroid state to frank hypothyroidism, the rate of progression is not known.
Sripathy, Gopalakrishnan, Pradeep Kumar, Chugh, Mitrabasu, Chhillar, Vinod Kumar, Ambardar, Maheshwar, Sahoo, Rajan, Sankar   +5 more
openaire   +2 more sources

A Longitudinal Study of Transmission of Tuberculosis in a Large Prison Population

American journal of respiratory and critical care medicine, 1997
Abstract The purpose of this study was to determine the extent of transmission of tuberculosis in a large prison population over an 18-mo period. Restriction-fragment-length polymorphism (RFLP) analysis of isolates of Mycobacterium tuberculosis was performed, using the insertion sequence IS6110 and the plasmid pTBN12.
F, Chaves, F, Dronda, M D, Cave, M, Alonso-Sanz, A, Gonzalez-Lopez, K D, Eisenach, A, Ortega, L, Lopez-Cubero, I, Fernandez-Martin, S, Catalan, J H, Bates   +10 more
openaire   +2 more sources

A longitudinal study of Bartonella infection in populations of woodrats and their fleas

Journal of Vector Ecology, 2008
Rodent-borne bartonellae have been identified as human pathogens. Little is known about Bartonella infections in woodrat hosts and their fleas and how woodrat-flea associations may affect the dynamics of Bartonella infections. We collected blood samples and fleas from two species of woodrats (Neotoma micropus and N.
Christina, Morway, Michael, Kosoy, Rebecca, Eisen, John, Montenieri, Kelly, Sheff, Pamela J, Reynolds, Nelson, Powers   +6 more
openaire   +2 more sources

Risk factors for subarachnoid hemorrhage in a longitudinal population study

Journal of Clinical Epidemiology, 1991
The known risk factors of atherosclerotic diseases may be involved in the development of a subarachnoid hemorrhage. We studied the morbidity and mortality due to subarachnoid hemorrhage among 42,862 men and women aged 20-69 years who had participated in a large health survey in Finland.
P, Knekt, A, Reunanen, K, Aho, M, Heliövaara, A, Rissanen, A, Aromaa, O, Impivaara   +6 more
openaire   +2 more sources