Sentences with phrase «case control study showed»

Not exact matches

In this meta - analysis of published (1995 - 2011) case - control studies examining the relationship between breastfeeding and childhood leukemia, all analyses, except the subanalysis for AML alone, which was not statistically significant, showed that being breastfed for at least 6 months compared with less than that or not at all was significantly associated with a 14 % to 20 % lower risk for childhood leukemia, with a 20 % lower risk when all selected 17 studies were included in the analysis.

Hi Kathy, The AAP recommendation are not based on the JPMA data but rather on many case control studies that show an association between bedsharing and increased risk of SIDS.

A single, small, retrospective case - control study examined the use of newborn transient evoked otoacoustic emission hearing screening tests as a tool for identifying infants at subsequent risk of SIDS.343 Infants who subsequently died from SIDS did not fail their hearing tests but, compared with controls, showed a decreased signal - to - noise ratio score in the right ear only (at frequencies of 2000, 3000, and 4000 Hz).

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

In a study published in the Journal of Neuroscience, researchers from Case Western Reserve University School of Medicine showed certain immune cells — neutrophils — can clean up nerve debris, while previous models have attributed nerve cell damage control to other cells entirely.

This study, published recently in PLOS Genetics, shows that in the particular case of meiotic cells such as spermatocytes, the signalling route of the ATM protein also participates in the control system of the cell cycle progression in response to DNA damage, something which until now was unknown.

Dr Cusack said: «The study shows that, in many cases, management actions to reduce these conflicts — such as controlling a population or paying out compensation for damage — are not adapted to changes in the conflict population or the damage level, and are sometimes even delayed.

The Nature study uses estimates for improving emission controls on power production to show that this is indeed the case.

While standard cross-sectional, or case - control studies haven't shown a huge impact from non-HLA genes, they only provide a «snapshot» of what is happening with both patients and controls alike, the scientists say.

In case - control and replication studies involving a total of some 45,000 CM and BCC patients and control subjects from Iceland, Sweden, Spain, Hungary, Romania and Slovakia, carrying one set of the ASIP variants — which 15 % of the population does — was shown to correspond to a 45 % increase in risk of CM and 33 % increase in risk of BCC compared to non-carriers.

With almost 70 million diagnosed cases of insomnia in America, studies show sleep loss (fewer than seven hours per night) adversely impacts numerous diseases like anxiety, depression, immunity, and oh yeah, weight control.

In addition, several case - control studies have shown that specific forms of the gene that encodes glutathione S - transferase, which is the enzyme that metabolizes and helps eliminate isothiocyanates from the body, may influence the association between cruciferous vegetable intake and human lung and colorectal cancer risk (21 - 23).

Case - control studies have also shown positive associations between dietary glycemic index and the risk of colon and breast cancers.

Although few case studies in which phytates were given in combination with chemotherapy clearly showed encouraging data, organized, controlled, randomized clinical studies were never organized, until now.

Daily meat intake has been shown to be associated with increased pancreatic cancer risk in a number of prospective, cohort, and case - control studies.5 Some of these studies have singled out beef and pork consumption and have concluded there is a higher risk for pancreatic cancer with a higher intake of these foods.5

A population - based case - control study in the United States showed that higher intake of coffee, and especially caffeine, was associated with a lower prevalence of abnormal alanine aminotransferase activity [86].

Meta - analyses examining the relationship between coffee intake and risk of coronary heart disease have observed a positive association among case - control studies but not among prospective cohort studies.1, 2 According to the most recent meta - analysis, 1 the pooled case - control data show a 60 % increased risk for drinking 5 cups / d.

This does not mean that all cases of STDs are linked to social media, but social media has been shown in this study to have a statistically significant effect on the number of STDs after controlling for demographic and economic variables.

My study of dog bite - related fatalities occurring over the past five decades has identified the poor ownership / management practices involved in the overwhelming majority of these incidents: owners obtaining dogs, and maintaining them as resident dogs outside of regular, positive human interaction, often for negative functions (i.e. guarding / protection, fighting, intimidation / status); owners failing to humanely contain, control and maintain their dogs (chained dogs, loose roaming dogs, cases of abuse / neglect); owners failing to knowledgably supervise interaction between children and dogs; and owners failing to spay or neuter dogs not used for competition, show, or in a responsible breeding program.

Pit bull terrier dogs and puppies are the most frequently and unjustly targeted by breed discriminatory legislation as inherently vicious, aggressive and dangerous, though this is not the case, as shown by research, studies and policies from the National Canine Research Council, the Center for Disease Control and the American Bar Association.

«10 Delise, based upon her study of fatal attacks over the past five decades, has identified  poor ownership / management practices involved in the overwhelming majority of these incidents: owners obtaining dogs, and maintaining them as resident dogs outside of the household for purposes other than as family pets (i.e. guarding / protection, fighting, intimidation / status); owners failing to humanely contain, control and maintain their dogs (chained dogs, loose roaming dogs, cases of abuse / neglect); owners failing to knowledgably supervise interaction between children and dogs; and owners failing to spay or neuter resident dogs not used for competition, show, or in a responsible breeding program.4

Reviews of cognitive behaviour therapy in schizophrenia indicate that evaluations are mainly case studies or uncontrolled trials.3 — 5 Four controlled trials have suggested that cognitive behavioural interventions can result in a reduction of psychotic and associated symptoms that are resistant to medication in chronic schizophrenia, 6 — 9 and a single trial has shown reduction of symptoms in acute schizophrenia.10 Although these trials are small and all suffer methodological limitations, particularly a lack of blind assessment, they represent encouraging evidence that cognitive behavioural interventions can have considerable benefits in reducing persistent hallucinations and delusions.