Exemplos de uso de Confounding effect em Inglês e suas traduções para o Português
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However, this does not free the study from the potential confounding effect represented by the methodology.
Confounding effects may be less likely to occur and act similarly at multiple times and locations.
In this case, the influence of the ISWT, observed in the present study,was free from the confounding effects of age.
The variables with the potential confounding effect were provided by nurses when they answered the questionnaire.
In the multivariate analysis, logistic regression was the statistical procedure used to adjust potential confounding effects.
Furthermore, the confounding effects were not pronounced, apart from the effect of age on the risk of dementia.
This patient population was chosen in an attempt to study HRV free of a possible confounding effect of ivabradine on coronary ischemia.
The study is vulnerable to the confounding effect generated by an inadequate method to test the concept of efficacy of the drug active principle.
Other positive points of the study were the low loss of information andthe successful treatment of confounding effects through the multivariate analysis.
This finding suggests a confounding effect of the circadian rhythm in hemodynamic variables, given the reductions in BP, heart rate, cardiac output, and stroke volume as the night approaches.
Considering that gross PR were similar to the adjusted values, no potential confounding effects due to other variables considered in the model were observed.
Therefore, the comparison between the work locations relative to the B-NWI-R score was performed without the need for correction for any confounding effect Table 2.
Nevertheless, those reports either did not consider the confounding effects of PADL and cardiorespiratory fitness or assessed PADL only by questionnaire.
In participants with LBP,the lower HRQoL mean score is similar after controlling for potential confounding effects of gender, age, and stature.
To control the confounding effect, the comparison of the IQCODE-BR mean values between the groups was adjusted for age and education through multiple linear regression probability logit.
Since other anthropometric variables presented a high degree of correlation with WC, the confounding effects of age and gender were evaluated in the NAFLD group.
To minimize the confounding effects from the inclusion of temporary disabilities in the definition of health states, this study provided estimates for women at age 80.
In about 25% of cases Rheumatoid Arthritis is intermittent with periods of remission andthis stage may generate a confounding effect and overestimate the results.
Inclusion of children of the same age was to avoid a possible confounding effect, given that intense growth occurs in infants during the first two years of life.
Logistic analysis through stepwise analysis was also done to identify independent risk factors and to control confounding effects mutually adjusted variables.
It can be observed that neither of the two alternatives to avoid the confounding effect was used in the study design, making it impossible to know which concept was actually tested.
This negative confounding effect can be explained by the schooling, since self-perception of regular/bad health was associated with low levels of schooling, with in turn was associated with lower risk of PMS.
Concealment of symptoms,in either the presence or absence of the confounding effects of such comorbidity, is but one of the barriers to effective recognition.
Particulate matter was associated with the monthly number of inhalation/nebulization procedures, but the inclusion of covariates(temperature, precipitation, and season of the year)suggests a possible confounding effect.
Since the economic variables were strongly interrelated showing high colinearity and potential confounding effects they were not included in the multivariate analysis model.
After statistical control to reduce the confounding effect, we found that, regardless of whether adolescents were studying or not when joining the program, there were more adolescents attending school among those who joined the intervention compared to the dropout group control.
The results indicated that the magnitude of the estimated odds ratio presented only slight changes,suggesting a minimal confounding effect, if at all, between the variables Table 2.
This progressive adjustment aimed to allow the observation of the possible confounding effect exclusively caused by the sociodemographic characteristics and, as a result, the additional effect that could be contributed by the health status.
Among the most commonly used strategies are adopting similar control groups for characteristics which may affect the result,adjusting for confounding effects and analyzing the dose-response effect. .
A recent study using a biochemical blood test for B12 deficiency-a test that is not vulnerable to the confounding effect of a high-folate diet-found that 16 percent of the elderly, 43 percent of lacto-ovo vegetarians and 64 percent of vegans are deficient in B12.