John McCallum

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This study examines cost and outcome in a series of 50 low birthweight infants who suffered severe intraventricular-periventricular hemorrhage and subsequently required ventriculoperitoneal shunting. Although nearly one third of these children might achieve some degree of self-sufficiency, a cost-benefit analysis in this shunted population is not(More)
OBJECTIVES To evaluate a Framingham risk function for coronary heart disease in an elderly Australian cohort and to derive a risk function for cardiovascular disease (CVD) in elderly Australians. DESIGN AND SETTING Analysis of data from a prospective cohort study (the Dubbo Study) in a semi-urban town (population, 34 000). PARTICIPANTS 2805 men and(More)
OBJECTIVE To determine prospectively relationships between minor cerebrovascular episodes and depressive symptoms in a community cohort of older persons. METHOD In 1988-1989, baseline measurements of vascular risk factors and depressive symptoms were obtained in older community residents (mean age = 67). At 10-year follow-up, three subgroups of subjects(More)
Individual choice of health insurance in Australia is limited to supplementary health insurance policies provided by private (though government-regulated) health insurance funds. This supplementary insurance provides an outlet for consumers who desire a higher level of health care than that provided by the compulsory government-managed Medicare health(More)
Twenty-three adults who had evidence of intraventricular hemorrhage were identified, and their charts were reviewed. Thirteen patients died and 10 survived. Eleven of the 13 who died were hypertensive. All had severe neurological deficit and evidence of brain stem dysfunction at the time of admission and progressed rapidly to coma and death. Two of the(More)
OBJECTIVE To study the impact of various risk factors on survival time in a cohort of elderly Australians. DESIGN, SETTING AND PARTICIPANTS A longitudinal, prospective cohort study conducted in Dubbo, NSW. Participants were men and women aged 60 years or over living in the community, first assessed in 1988-1989 and followed for 15 years. MAIN OUTCOME(More)