Statistical methods

Statistical analysis Each defect was considered as a statistical unit. Primary study outcomes were changes in CAL at the six-month evaluation period. Descriptive data that included mean ± standard deviation (SD) were calculated for clinical and radiographic parameters at baseline and 6 months. Following this, the data were subjected to statistical analysis using the Wilcoxon signed rank test for intragroup comparison and the Mann-Whitney U test for intergroup comparison. The level of…

to examine their hypothesis about the assumed issues on simulated platforms. Using such simulating programs in a Six Sigma process are called Design of Experiments (DOE). DEO is used to detect cause-and-effect relationships and put them in the statistical examination to find the significant parameters in order to take a proper measure to improve the process.…

had any inflammation situation were excluded. Also, patients and controls were matched by age, gender and time of blood sampling. 3.2 Gene expression Statistical analysis of Ct (Cycle threshold) and ΔCt values revealed that a significant difference between the expression of SOCS1 gene in MS patients versus healthy controls (p=0.0001). Using 2-ΔΔCt method, our results revealed that the expression…

proposed attribute ranking and selection methods. Hall and Holmes et. al analyzed numerous of these methods and recognized the ones that achieved finest results [] as “Correlation-Based Feature Selection” [] “Information Gain Correlation”, “Wrapper Subset Evaluation”[] , “Recursive Elimination of Features” [] , “Consistency-Based Subset Evaluation” [] .The outcomes help the researchers to select the most appropriate method for attribute selection. Some of the methods are time consuming and…

using the one-way ANOVA, is the following: Does the frequency in days of the week make a difference in having an ideal body weight? The one-way ANOVA is the most appropriate statistical test as the question identifies an independent variable that can have up to a maximum of 7 groups, to represent the days of the week. The statistical notation is the following: F = MSbet MSwith (Sukal, 2013, Formula 6.4) The null hypothesis would be the following: The frequency in the days of the week does…

Does eccentric loading improve symptoms of chronic Achilles tendinopathy in adults? Tendinopathy is known as an overuse injury and often linked to patients who participate in sports which involve repetitive running and jumping, however one third of all patients live a non-active life style (Habets et al., 2014). Eccentric loading, injections, shockwave therapy, modified rest and NSAID’S are all management strategies suggested over the years for the management & treatment of Achilles…

Question 1 Cowles and Davis (2016) discussed several factors that contributed to the adoption of the .05 level of statistical significance. The first factor discussed was the discovery that computations can be utilized to measure observational error, by and astronomer, Lambert Adolphe Quetelet. This discovery led to the development of the normal distribution curve utilized today (Cowles & Davis, 2016). Following the development of the normal distribution curve, a measure of variability known…

continue on through discharge to inpatient floors. Overall, the systematic reviews displayed positive outcomes from early ambulation, although, the evidence was weak/moderate and more research needs to be completed with more defined and consistent methods and measures. More research is needed to answer the PICO question: Does early ambulation while on the ventilator help reduce the time spent in the hospital and/or recovering for patients who have respiratory…

In radiation therapy, bolus is a modality that helps compensate for differences in body contours, stop skin sparring, and to raise dose buildup on the patient’s skin (Washington, p. 171). Bolus is a tissue equivalent material, but there is not just one type of bolus. Superflab is a commercial bolus that most clinical sites use, but other bolus variations are also available for use. There is no study that compares Superflab, neon green Play-Doh, orange Play-Doh, and uncooked rice for providing…

would be recalled when the learning and recall environments were the same’. The results showed that recall was slightly higher when there was a change in environment between learning and recall, although the difference between conditions was of no statistical significance. In light of this, the research hypothesis has been rejected. • Introduction From 1930’s until now several context-dependent memory recall experiments held by psychologists like Pessin (1932), Farsnworth (1934),…