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Spss statistic 22

Manufactured by IBM
Sourced in United States, Germany

SPSS Statistics 22 is a software package used for statistical analysis. It provides a comprehensive set of tools for data management, analysis, and visualization. The software offers a wide range of statistical procedures, including descriptive statistics, regression analysis, and multivariate techniques. SPSS Statistics 22 is designed to help users analyze and interpret data efficiently.

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96 protocols using spss statistic 22

1

Statistical Analysis of Quantitative Data

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Statistical analysis was performed using the IBM SPSS statistic 22 (Chicago, IL, USA). All the quantitative data was presented as the mean ± standard deviation (SD). For statistical analysis, differences in continuous variables between two independent samples were evaluated by the Mann-Whitney U test. Dichotomous variables were compared by the χ2 test. Association between continuous variables was assessed by means of Spearman and partial correlation. Pearson's rank correlation analysis was used to evaluate the associations between dichotomous variables and protein levels. Covariance analysis was used. The statistical software GraphPad Prism 6.0 (GraphPad Software, La Jolla, CA) and IBM SPSS statistic 22 (Chicago, IL, USA) were used for graph creation.
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2

Nested ANOVA of Splenic MMCs in Southern Bluefin Tuna

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A nested ANOVA (IBM SPSS statistic 22, Armonk, NY, USA)) with photo captures nested within fish within cohort and time was used to investigate if MMCs in the spleen of SBT changes over time in each group and differences between the two groups at the same time point. Because the test was robust regarding the assumption of normal distribution, so this assumption was not assessed [17 ,18 (link),19 ]. The severity of infection was analysed using two-factor ANOVA with cohort and time as orthogonal factors and comparing between each sampling point for both cohorts. Homogeneity assumption was checked using a Levene test applying on means of MMCs quantified for each fish [20 ]. For comparison of the two cohorts at transfer, t-test was used. Total mortalities between the two cohorts were compared using χ2 test.
Possible associations between the percentage area of splenic MMCs and intensity of blood flukes in the heart and gills of SBT were assessed using Pearson correlation analysis (IBM SPSS statistic 22). p < 0.05 was considered statistically significant.
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3

Structural Equation Modeling of Research Model

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Statistical analyses were performed using procedures in IBM SPSS Statistic 22.0 and IBM SPSS Amos 22.0. First, descriptive statistics (means, standard deviations, correlations, and checks for normality) were computed for variables using IBM SPSS Statistic 22.0. Second, confirmatory factor analyses (CFA) were conducted for the measurement model. Then, structural equation modeling (SEM) analyses examining direct and indirect effects in the proposed conceptual model were performed by using procedures in IBM SPSS Amos 22.0 with the maximum likelihood (ML) estimation. The measurement property of the structural model was first examined, followed by an assessment of the proposed structural relationships (Anderson and Gerbing, 1988 (link)). Goodness of fit indices were assessed by using the comparative fit index (CFI), normed chi-square (χ2/df), standardized root mean square residual (SRMR), and root mean square error of approximation (RMSEA). The reliability of the measures was assessed by Cronbach’s alpha, Average Variance Extracted (AVE), and composite reliability. The convergent validity and discriminant validity were examined by factor loadings and the inter-factor correlations (Fornell and Larcker, 1981 (link); Kline, 2005 ; Hair et al., 2010 ).
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4

Evaluating Mean Differences with ANOVA

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One-way ANOVA was applied to assess the differences among mean values. Duncan’s test was used for multiple comparisons when a significant difference was detected. All data are presented as the mean ± SD, and the significance level was set at p < 0.05 for all measurements. Whole analysis was conducted using IBM SPSS Statistic 22 (IBM Corporation, Armonk, New York, NY, USA).
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5

Analysis of AMF Root Colonization

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Statistical analyses were performed using the IBM SPSS statistic 22 software. Data for AMF root colonization percentage were analyzed by one way ANOVA. Normal distribution was checked and non-normal data were normalized by arcsine transformation before analysis. One way ANOVA was used to determine significant difference between plant species and between sites AMF root colonization.
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6

Dietary Intervention for Cancer Survival

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Data will be analysed using SPSS (IBM SPSS Statistic 22). For the survival outcomes (primary outcome 1 and 2, and secondary outcomes I-VI) tests will be performed to compare survival rates between the control and intervention groups at 5, 10, and 15 years after baseline. Survival probabilities will be estimated with the Kaplan-Meier method. Cox proportional hazards models will be used to identify prognostic and predictive biomarkers for survival outcomes.
For non-survival secondary outcomes, parametric or non-parametric tests for two-group comparisons will be used to assess group differences at individual time-points. In addition, mixed effect models for longitudinal data and regression models will be used to evaluate association and change over time in dietary intake, nutritional status, body composition, molecular tumor characteristics, physical function and activity, quality of life, fatigue and treatment related outcomes and to examine differences between the intervention and control groups. All statistical tests are performed as two-sided tests. Effects are considered statistically significant if p <0.05.
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7

Comparative Analysis of mRNA, Protein, and Cells

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In order to determine the differences in the mRNA, protein, cell numbers, etc., all data were analyzed using IBM SPSS Statistic 22. ANOVA followed by an LSD test was applied to compare differences in multiple groups, while differences between two groups were compared by Student’s t-test. The visualized results were displayed by GraphPad Prism software, and were expressed as the means ± standard errors (SE).
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8

Statistical Analysis of Experimental Data

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All data were analysed either using a t-test or one-way ANOVA and Tukey’s post-hoc test, using IBM SPSS Statistic 22, A p-value of less than 0.05 was considered significant.
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9

Factors Associated with T. gondii Seroprevalence

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A chi-square test (bivariate test) from SPSS Statistic 22 produced by IBM was used to determine factors associated with the seroprevalence of T. gondii. Statistical significance was set at a value of P < 0.05.
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10

In Vitro Cytotoxicity Evaluation of Prodrug NPs

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4T1 cells (1000 cells per well) were seeded into 96‐well plates and incubated for 24 h in a cell incubator (37 °C, 5% CO2). Then, serial dilutions of LTX solution, prodrug NPs, and prodrug NPs with GSH (molar ratio of NPs and GSH is 1:100) were added into pre‐designed wells and the cells in wells without any treatment were considered as the control. After incubation for 48 h, each well was washed with PBS three times, and MTT solution (5 mg mL−1) was added to the wells. After further 4 h incubation, DMSO was added to dissolve the purple crystal at the bottom of the wells, and absorbance at 570 nm was detected by a microplate reader (Model 500, USA). The IC50 was obtained through IBM SPSS Statistic 22.
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