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At least 253 records · Page 14Linked to original sources
PubMed1988

The infant mortality rate, life expectancy at birth, and a linear index of mortality as measures of general health status.

The infant mortality rate is not a good indicator of overall mortality or health status. Based on new empirical life tables from the UN Population Division, it can only predict life expectancy with 95% confidence to within a 14-year range. Two infant mortality rates must be nearly 80 units apart to be 95% confident that life expectancy in the two communities is different. Life expectancy itself is not an ideal general measure of mortality, because it implicitly weights deaths at different ages in an inconsistent fashion. A measure of potential years of life lost is preferable because it is ethically more consistent.

Adolescent↗
PubMed1992

Life table analysis of infant mortality and feto-infant mortality distributed on causes of death in Denmark 1983-1987.

The survival function of 263,322 singletons of the 1983-1987 Danish birth cohorts (262,159 liveborn and 1163 stillborn babies) with mortality distributed on functional groups of underlying causes of death is presented in two graphic forms on the basis of Kaplan-Meier estimates. About half of all first-day deaths in liveborn babies occurred during the first 4 hours. More than half of all first-week deaths happened during the first day. More than half of all deaths from 31 weeks to 76 weeks after the first day of the last menstrual period (LMP) were either fetal deaths prior to the onset of labour unexplained by fetal factors or unexplained sudden infant death syndrome (SIDS) deaths. Graphic presentation of feto-infant mortality distributed on functional cause-of-death groups improved the expression of the relative contribution and timing of the different causes of deaths. Despite a high autopsy rate and a uniform coding practice the distribution on causes of deaths from register data should be interpreted with caution. Full use of the feto-infant approach is only achieved with data which include late abortions. Thus the feto-infant approach is of special interest in countries which have registers of live births and fetal deaths from week 22 of gestation or earlier. The integration of the life table approach and analysis of underlying causes of deaths should be further explored as a way of utilizing vital statistic databases for the evaluation of perinatal care.

Cause of Death↗
PubMed2005

A total score for the CERAD neuropsychological battery.

OBJECTIVE: To develop a total or composite score for the Consortium to Establish a Registry for Alzheimer's Disease (CERAD) neuropsychological battery. METHOD: CERAD total scores were obtained by summing scores from the individual CERAD subtests (excluding the Mini-Mental State Examination [MMSE]) into a total composite (maximum score = 100). The method of tabulating the total score was constructed using normal controls (NCs; n = 424) and patients with AD (n = 835) from the CERAD registry database. The utility of the total score was further tested in independent samples of mild AD (n = 95), mild cognitive impairment (MCI; n = 60), and NC (n = 95) subjects. RESULTS: The CERAD total score was highly accurate in differentiating NC and AD subjects in the CERAD registry. Age, gender, and education effects were observed, and demographic correction scores were derived through multiple regression analysis. Demographically corrected CERAD total scores showed excellent test-retest reliability across samples (r = 0.95) and were highly correlated with the MMSE (r = 0.89) and Clinical Dementia Rating Scale (r = -0.83) in mixed AD and NC samples and with the Blessed Dementia Rating Scale in an AD sample (r = -0.40). The CERAD total score was highly accurate in differentiating independent samples of NC, MCI, and AD subjects. CONCLUSION: Results provide support for the validity of a Consortium to Establish a Registry for Alzheimer's Disease (CERAD) total score that can be used along with the normative data to provide an index of overall level of cognitive functioning from the CERAD neuropsychological battery.

Age Factors↗
PubMed1992

Predictors of mortality among HIV-infected women in Kigali, Rwanda.

OBJECTIVE: To better characterize the natural history of disease due to human immunodeficiency virus (HIV) infection in African women. DESIGN: Prospective cohort study over a 2-year follow-up period. PARTICIPANTS: A total of 460 HIV-seropositive women and a comparison cohort of HIV-seronegative women recruited from prenatal and pediatric clinics in Kigali, Rwanda in 1988. MEASUREMENTS: Clinical signs and symptoms of HIV disease, AIDS, and mortality. MAIN RESULTS: Follow-up data at 2 years were available for 93% of women who were still alive. At enrollment, many seropositive women reported symptoms listed in the World Health Organization (WHO) clinical case definition of AIDS, but these were nonspecific and often improved over time. The 2-year mortality among HIV-infected women by Kaplan-Meier survival analysis was 7% (95% CI, 5% to 10%) overall, and 21% (CI, 8% to 34%) for the 40 women who fulfilled the WHO case definition of AIDS at entry. In comparison, the 2-year mortality in women not infected with HIV was only 0.3% (CI, 0% to 7%). Independent baseline predictors of mortality in seropositive women by Cox proportional hazards modeling were, in order of descending risk factor prevalence: a body mass index of 21 kg/m2 or less (relative hazard, 2.3; CI, 1.1 to 4.8), low income (relative hazard, 2.3; CI, 1.1 to 4.5), an erythrocyte sedimentation rate exceeding 60 mm/h (relative hazard, 4.9; CI, 2.2 to 10.9), chronic diarrhea (relative hazard, 2.6; CI, 1.1 to 5.7), a history of herpes zoster (relative hazard 5.3; CI, 2.5 to 11.4), and oral candida (relative hazard, 7.3; CI, 1.6 to 33.3). Human immunodeficiency virus disease was the cause of death in 38 of the 39 HIV-positive women who died, but only 25 met the WHO definition of AIDS before death. CONCLUSIONS: Human immunodeficiency virus disease now accounts for 90% of all deaths among child-bearing urban Rwandan women. Many symptomatic seropositive patients may show some clinical improvement and should not be denied routine medical care. Easily diagnosed signs and symptoms and inexpensive laboratory tests can be used in Africa to identify those patients with a particularly good or bad prognosis.

Acquired Immunodeficiency Syndrome↗
PubMed1993

[Sex ratios in Turkey].

"The article [provides] examples of error in the censuses and surveys and questions the reliability of age specific sex ratios in the 1990 Census of Turkey...[and derives] sex ratio at birth from census and survey results as well as from hospital records. Finally the 1990 population is reconstructed by surviving birth cohorts [from] 1900 until 1990 using historical trends of birth rates and cohort, age and time specific survival rates using the East Family of Coale-Demeny Model Life Tables." (SUMMARY IN ENG)

Age Distribution↗
PubMed1992

[Active life expectancy in Taiwan: compression or expansion?].

"This paper applies the multiple-decrement life table to the analysis of mortality and self-reported disability [for Taiwan], annually from 1986 until 1989.... It was found that during this period of time, the shifts in 'mortality' and 'disability' curves conform to the compression hypothesis. The area in between the two curves [has] shrunk in the 4 year period.... The sex differential in disability has been examined. It is concluded that though at the younger ages women tend to spend less person-years in disability, the situation is quite different at older ages. Women tend to have greater chance [of] and longer duration suffering from disability at old age than men." (SUMMARY IN ENG)

Adult↗