Sentences with phrase «matched case control study»

Not exact matches

Venneman et al 2009 were first to find unqualified proof of this long suspected fact having conducted a populations - based study of 333 infants who died of SIDS between 1998 and 2001 matched in age to 998 «control infants» born 4 to 6 weeks after the case infants.

Venneman and colleagues5 recently demonstrated that infants who are formula fed are twice as likely to die of SIDS than breastfed infants based on a case control study of 333 SIDS cases compared to 998 aged matched controls in Germany, from 1998 - 2001, consistent with previously published reports.35 While no studies show that co-sleeping in the form of bedsharing, specifically, is imperative for breastfeeding enhancement, many studies have shown that in order to get more sleep and to ease caring for their infants the decision to breastfeed often leads mothers to adopt routine bedsharing for at least part of the night36 - 40 even where they never intended to do so.41, 42 Indeed, nearly 50 % of breastfeeding mothers in the United States and Great Britain adopt bedsharing for some part of the night,38,43 - 45 and breastfeeding women are twice as likely to sleep with their babies in the first month relative to mothers electing to bottle - feed.39

Most of the studies matched case with control subjects for sex and age.

Second, they considered the remaining SAGES study sample to identify 36 matched pairs of cases and controls, called the replication cohort.

The Heart and Vascular Health study is a case - control study, where Group Health members who develop cardiovascular events are matched with control members who do not.

The study examined 328 patients with cervical cancer and 1,312 controls, matched on age and decade, who enrolled in a hospital - based case - control study drawn from 26,831 patients who received treatment at Roswell Park Cancer Institute and completed the Patient Epidemiology Data System questionnaire between 1982 and 1998.

Boyle and colleagues used data from a case - control study conducted between 2000 and 2004 in British Columbia (BC), which recruited 820 NHL patients (59 percent men) of various ages from the B.C. Cancer Registry and 848 randomly selected controls matched for age, gender, and residential location, from the Client Registry of the British Columbia Ministry of Health.

For this study, 8702 cases, defined as clinically detected spontaneous abortions, were matched with 87 020 controls; mean gestational age at the time of miscarriage was 14 weeks of pregnancy.

Design, Setting, and Participants Case - control study using data from 5 case - control and 5 cohort studies initiated between 1976 and 2003 across the United States, Canada, Australia, and Germany and including colorectal cancer cases (n = 8634) and matched controls (n = 8553) ascertained between 1976 and 2Case - control study using data from 5 case - control and 5 cohort studies initiated between 1976 and 2003 across the United States, Canada, Australia, and Germany and including colorectal cancer cases (n = 8634) and matched controls (n = 8553) ascertained between 1976 and 2case - control and 5 cohort studies initiated between 1976 and 2003 across the United States, Canada, Australia, and Germany and including colorectal cancer cases (n = 8634) and matched controls (n = 8553) ascertained between 1976 and 2011.

Case - control study using data from 5 case - control and 5 cohort studies initiated between 1976 and 2003 across the United States, Canada, Australia, and Germany and including colorectal cancer cases (n = 8634) and matched controls (n = 8553) ascertained between 1976 and 2Case - control study using data from 5 case - control and 5 cohort studies initiated between 1976 and 2003 across the United States, Canada, Australia, and Germany and including colorectal cancer cases (n = 8634) and matched controls (n = 8553) ascertained between 1976 and 2case - control and 5 cohort studies initiated between 1976 and 2003 across the United States, Canada, Australia, and Germany and including colorectal cancer cases (n = 8634) and matched controls (n = 8553) ascertained between 1976 and 2011.

We demonstrate here in a larger case - control study that women with breast cancer are deficient both by presence and quantity of FMc in the peripheral blood compared to carefully matched controls.

Second, because we utilized specimens from a matched case - control study, reproductive and other risk factors were more similar than in the prior pilot and allowed for multivariable modeling to adjust for any potential confounders.

This was a case control study comparing the eating habits of cancer patients with those of people matched for age, race, etc. from the general population.

A new study from Norway, «Risk factors for idiopathic cystitis in Norwegian cats: a matched case - control study» sought to find out what type of environmental or personality characteristics might put cats at risk for FIC.

However, this particular study looked at only 23 cats (less than half with hyperthyroid disease; and the case controls were not well - matched in age or gender), so its statistical power is very low.

Spatial analysis of health effects of large industrial incinerators in England, 1998 — 2008: a study using matched case — control areas

The review included 2 types of designs: (1) randomized controlled trials and (2) quasi-experimental designs (including matched comparison studies, single case designs, and regression discontinuity designs).

All cases presented here were referred to one or both of the authors for forensic evaluation or treatment of a seemingly intractable situation, Cases were selected for the study on the basis of at least one child in the family having intensely rejected one of the parents on the basis of trivial or unsubstantiated accusations, apparently meeting Gardner's criteria for «parental alienation syndrome,» There was no attempt to match these cases with a control group of children whose parents had also separated and / or divocases presented here were referred to one or both of the authors for forensic evaluation or treatment of a seemingly intractable situation, Cases were selected for the study on the basis of at least one child in the family having intensely rejected one of the parents on the basis of trivial or unsubstantiated accusations, apparently meeting Gardner's criteria for «parental alienation syndrome,» There was no attempt to match these cases with a control group of children whose parents had also separated and / or divoCases were selected for the study on the basis of at least one child in the family having intensely rejected one of the parents on the basis of trivial or unsubstantiated accusations, apparently meeting Gardner's criteria for «parental alienation syndrome,» There was no attempt to match these cases with a control group of children whose parents had also separated and / or divocases with a control group of children whose parents had also separated and / or divorced.