Sentences with phrase «significant number of samples»

The frequency - based approach requires a significant number of samples, and likely favors driver mutations that are common across a patient population.

Not exact matches

You can play with the WONDER database yourself, and what you'll see is that basically any hospital sample is going to look much better unless it contains significant numbers of micro-preemies.

Researchers supporting co-parenting identified a number of fundamental methodological flaws of recent studies that challenge co-parenting of infants and young children: the failure to interview both parents, small and non-representative samples and use of unreliable and invalid measures, and the fact that even these studies have actually found no significant differences in child outcomes in single versus co-parenting families.

This is because a significant number of Londoners — 8 % of our total sample — are Labour supporters (according to their General Election voting intention) who prefer Boris as mayor.

Since there's significant overlap between different hypotheses, an adequate number of samples will generally yield consensus on the correspondences between the objects in any two successive images.

REVEALER is a powerful approach but requires as input high - quality genomic data and a significant number of cancer samples, which can be a challenge, Tamayo says.

Unfortunately, with large numbers of samples and increasingly dense genomic data, this two - step approach carries a significant computational burden.

Because of small sample size, the changes in tumor - initiating cell number were not significant (P > 0.05), but these data are supportive of the in vitro findings and suggest that hypoxia may have a positive effect on the tumor - initiating cell population in ER - α — positive breast cancers and a negative effect in ER - α — negative tumors.

For papers identifying locally adapted loci from SNP data in wild populations, the proportion of SNPs tested that were local adaptation candidates based on either (a) FST outlier status or (b) significant genotype - environment associations, in comparison to the log - scaled number of individuals sampled in the reported dataset.

One method of running the study would be to simply sample the American population at random, hoping that a significant number of people who had gotten divorced met their former spouses on an online dating site.

All things being equal, students in countries with centralized exams scored 16 points higher in math and 11 points higher in science, although the science finding is not statistically significant due to the small number of countries in the sample (see Figure 3 for results).

Morever, he said, a significant number of schools did not comply with the random assignment of students, reducing the number of teachers in the sample.

In the non-endemic area of Fermo (Ascoli Piceno province), concentration test results were similar and microfilaraemia due to D. immitis (1 to 8 per sample) was present in the total number of dogs with clinical manifestations (Fig. 1,2,4), without significant quantitative differences in comparison with the results coming from the endemic area.

Data presented as mean OR (with 95 % CI) of the purebred group relative to mixed - breed dogs, mean P value of the matched control sampling sets, and the number of times (of 50) that those matched control sampling sets indicated a significant difference in probability that mixed - breed and purebred categories differed in prevalence of each condition (denoted in italics)

Similarly in testing coders rating the appearance of consensus, falsely balanced, or dismissive media portrayals of climate science, you would want to purposively select a test sample that contains a significant number of each of these types of portrayals.

If the algorithm that underlies this function does not eventually give you a good uniform sampling of all the random numbers between 0 and 1 according to the number of significant digits, it is not ergodic,.

Near the extreme end, sampling and the statistics of small numbers make it much more difficult to find significant trends.

While many of these towns have a low incidence of crime, their police forces issue a significant number of DWI, Refusal to Provide a Breath Sample, and DUI charges each year.

But Brazil has also been criticized for its lack of transparency, and for not sharing significant samples and data to determine whether the virus is responsible for the increase in the number of babies born with microcephaly, a rare neurological condition.

Nevertheless, given the large number of coefficients examined, the significant association of SAD with reduced odds of a suicide attempt among planners should be considered no more than provisional until replicated in independent samples.

It is instructive to trace out the significant associations of type / number of disorders with suicide attempts in the total sample through more proximal outcomes (ie, ideation, plans among ideators, and attempts among ideators with or without a plan).

We had a relatively small sample for the number of comparisons we made, which increases the likelihood of finding a false significant result [41].

In the overall WMHS analysis, exposure to multiple childhood adversities had a significant effect on the persistence of suicide when considering exposure to every additional childhood adversity; however, in the current study, it was not possible to stratify the number of adversities beyond two or more (ie, into more than two categories), given the relatively small number of cases in the sample overall with non-fatal suicidal behaviour.

These results are supported by fidelity findings from the structured observations (N = 27) carried out in a sample of classes over the course of the study (observations: mean number of observed activities full implementation = 90.9 %; partial implementation = 2.3 %; activities not implemented = 6.8 %) Given that there was no significant difference in the level of programme adherence between the intervention groups, the impact results were analysed by comparing the intervention group's results (i.e. intervention Type I combined with intervention Type II) with the control group's results.

Thus, it could be that the current sample was skewed towards including a greater number of participants with anxiety, and therefore underpowered for detecting a significant correlation in those with more severe symptoms of depression.

In the research that has addressed this issue, in both clinical and community samples from middle childhood to adolescence, CU traits have shown significant correlation with a number of ODD symptoms [30, 31].

The differences between the samples in terms of maternal education level and the number of stressful life events in the past 5 years were marginally significant, revealing trends of lower maternal educational levels (M = 3.3, SD = 1.5 vs. M = 3.8, SD = 1.5; F = 2.38, p <.10) and more stressful life events (M = 2.5, SD = 1.8 vs. M = 2.0, SD = 1.5; F = 2.43, p <.10) in the PPD sample.

The Sample × Gender effect was marginally significant (F = 1.86, p =.07, η p 2 = 0.15), as were the main effects of maternal education (F = 1.78, p =.08, η p 2 = 0.14) and the number of stressful life events (F = 1.88, p =.06, η p 2 = 0.15).