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Spss 25 statistical software

Manufactured by IBM
Sourced in United States

SPSS 25 is a statistical software package developed by IBM. It provides advanced analytical capabilities for data management, analysis, and modeling. The software is designed to help users obtain insights from complex data and make informed decisions.

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47 protocols using spss 25 statistical software

1

Comparative Analysis of EMG Responses to Stable and Unstable Loads

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The statistical analyses were conducted using SPSS statistical software (25.0, SPSS Inc., Chicago, IL, USA) and checked for normal distribution using visually inspection of the Q-Q plots and the Shapiro-Wilk test for normality. To examine the differences in EMG amplitude, a repeated analysis of variance (ANOVA) for the three conditions 1) stable loads, 2) unstable loads in the mediolateral plane and 3) unstable loads in the anteroposterior directions was conducted with Bonferroni post-hoc tests. A repeated ANOVA was also used to examine differences in lifting time in the three conditions. The data are presented as mean with the 95% confidence intervals and with Cohen’s d effect size (ES) calculated from the mean differences between the conditions divided by the standard deviation of the difference. An ES of < 0.2 was consider trivial, 0.2–0.5 small, 0.5–0.8 medium, and > 0.8 large [29 ]. The significant level was set to < 0.05.
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2

Screening Insulinoma with HbA1c and GA

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The values are indicated as mean ± standard deviation. Kolmogorov-Smirnov normality tests showed normal distributions for FPG and GA but not for age, BMI, HbA1c, and IRI. As for intergroup tests, unpaired t- and Mann-Whitney U tests were performed for data with a normal distribution and those without a normal distribution, respectively. In addition, chi-squared tests were conducted for comparisons between sexes. Receiver operating characteristic (ROC) curves were drawn to calculate areas under the curves and 95% confidence intervals for determination of the most distinguishable values of HbA1c and GA for the screening of insulinoma. For comparison of the diagnostic discrimination between HbA1c and GA, the areas under the curves (AUC) were compared by DeLong’s test. The significance level was p < 0.05. SPSS Statistical Software 25.0 (SPSS Inc., Chicago, IL) was used for the analyses.
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3

Analysis of Postoperative Complications

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Statistical analysis was conducted using the SPSS statistical software 25.0 (SPSS Inc., Chicago, IL, USA). Descriptive analysis was expressed in terms of frequency, mean, median, standard deviation and range. All variables were matched to each other in a univariate analysis. Categorical variables were compared with the Chi-square test and the Fisher’s exact test for small samples. Continuous variables were compared using the t-test and the analysis of variance, while ordinal variables were compared using nonparametric tests (Kruskal-Wallis or Mann-Whitney). When necessary, continuous variables were dichotomized using the median as cut-off point. A multivariate analysis was performed to investigate the risk factors for postoperative complications; logistic regression was used and covariates odds ratios with 95% confidence intervals were reported. Linear regression was used to analyze the correlation between each imaging measure and its corresponding pathological measurement; the correlation level was expressed using the Pearson’s correlation coefficient (r). Statistical significance was defined as P<0.05.
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4

Muscle Activity and Lifting Strength

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The statistical analyses were conducted using SPSS statistical software (25.0, SPSS Inc., Chicago, IL, USA). To examine the differences in muscle activity between the three conditions, a repeated analysis of variance (ANOVA) for each muscle on both sides with Bonferroni post hoc tests was conducted. Repeated ANOVA was also used to examine differences in lifting time and 5RM loads in the three conditions. The data are presented as mean ± 95% confidence intervals and with Cohen’s d effect size (ES). An ES of < 0.2 was consider trivial, 0.2–0.5 small, 0.5–0.8 medium, and > 0.8 large (Cohen 1988 ). The significant level was set to > 0.05.
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5

Evaluating FBLN5 Expression in Cancer

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Statistical analyses were performed using SPSS statistical software (25.0). The Kruskal–Wallis test was used for continuous variable data, and the Chi-square test was used to analyze the correlation between the FBLN5 mRNA levels, protein levels, and clinicopathological characteristics of patients. The risk ratio (HR) and 95% confidence interval (CI) were estimated using the survival package of the Cox regression model. Survival analysis was performed using the Kaplan–Meier curve. A two-tailed p-value < 0.05 was considered to be statistically significant for all statistical analyses.
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6

Comparing Sleep Patterns in ASD and TD Groups

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SPSS statistical software 25.0 was used for statistical analysis. Shapiro-Wilk test, histogram, and QQ graph were combined to detect data normality. Continuous variables were described as mean ± standard deviation (M ± SD), medians (inter-quartile ranges) (M (IQR)) and medians (5th percentile to 95th percentile) (P5-P95). Categorical variables were described as frequencies and percentages. Two-sample independent T-test,the chi-square test and Mann-Whitney test were used for comparisons between groups. Logistic regression was used to examine the differences in sleep problems between ASD and TD groups. Significance was presumed at p < 0.05.
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7

Glycemic Variability and Hypoglycemia

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Continuous values are shown as mean values and categorical variables are expressed as count and percentage values. The Shapiro–Wilk test was used to test for normality; for statistical significance of the mean values of two groups, the Student's t-test was used if equal variance was confirmed by the F test, whereas Welch's t-test was used if it followed normal distribution. The Mann–Whitney U test was used if it did not follow a normal distribution, and Spearman's correlation analysis was used for testing the relationship between two variables. Univariate and multivariate linear regression analyses were used to estimate the regression coefficients for adjusted SD HbA1c. Multivariate analysis was performed with adjusted SD HbA1c as the dependent variable, and age, BMI, and presence of hypoglycemia as independent variables. Dummy variables were created for gender and presence of hypoglycemia, and then used in multiple regression analysis. The cutoff value of adjusted SD HbA1c was examined based on the ROC curve. The calculated sample size in the ROC analysis was 30 patients in total, assuming an area under the curve (AUC) of 0.80, power 0.80, with significance level of 5%, and a non-hypoglycemic group versus the hypoglycemic group of 2:1. A p value < 0.05 was considered significant. All analyses were performed using SPSS Statistical Software 25.0 (SPSS Inc., Chicago, IL).
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8

Screening Insulinoma with Glycemic Indices

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All the values evaluated were expressed as mean ± standard deviation (SD) or median [Q1, Q3]. The Kolmogorov-Smirnov normality test showed normal distributions for FPG and HbA1c but not for age, BMI, FPG × HbA1c index, fasting IRI and, FPG/fasting IRI index. For intergroup comparison, unpaired t tests and the Mann-Whitney U tests were performed for data with a normal distribution and for those without a normal distribution, respectively. In addition, chi-square tests were conducted to compare between both sexes. Receiver operating characteristic (ROC) curves were drawn to calculate area under the curves (AUCs) and 95% confidence intervals (95% CI) to determine the most significant marker among HbA1c, FPG × HbA1c index, and FPG/ fasting IRI index for the screening of insulinoma. To compare the diagnostic discrimination among HbA1c, the FPG × HbA1c index, and the FPG/IRI index, the AUCs were compared by DeLong method. The significance level was set at p-value < 0.05. SPSS Statistical Software 25.0 (SPSS Inc., Chicago, IL) was used for the analyses.
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9

Microbial Metabolic Profiling Protocol

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All experimental data represent the mean of at least three replicates and standard deviation (SD). Significant differences were verified by one-way analysis of variance (ANOVA) using SPSS statistical software (25.0, SPSS Inc., Chicago, IL, USA). p < 0.05 was considered statistically significant using Duncan's test.
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10

Estimating Quail Egg Survival Rates

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Artificial turtle nests were only considered predated if the quail eggs were damaged or missing from the nest [39 (link)]. To estimate the daily survival rates (DSR) of quail eggs, we used Mayfield’s method [40 ], which is based on the exposure time of nests (the cumulative number of days of artificial nests that survived) and the number of known predation events, and shows the probability that a given nest will remain intact for a day. The DSR values obtained at different locations were compared using the J-test, software developed by K. Halupka [41 (link),42 ]. The effect of turtle urine and the nest marking flag was evaluated using the chi-square test. All the statistical analyses were performed using SPSS statistical software 25.0 version of IBM SPSS Statistics, Armonk, NY, USA. For all applied statistical tests, p < 0.05 was the limit of significance.
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