Statistical analysis was conducted using IBM SPSS Statistics for Windows, Version 22.0 (IBM Corp.), and the R Software for Windows, Version 3.6.1 with package irr was used for Cohen’s kappa coefficient (k). The level of significance was set at 5% (P < 0.05) and CI at 95%. The Shapiro–Wilk test was used to test data normality of the TFT values. Wilcoxon test was used for comparison of the same variables between eyes on each scale. The Mann–Whitney test was used to compare classification (both scales) with sex. Age was correlated with the classifications obtained through the Spearman test. Cohen’s kappa coefficient was used to verify the agreement among the examiners in each scale.
R software for windows version 3
Manufactured by IBM
Sourced in United States
R Software for Windows, Version 3.6.1 is a free and open-source software environment for statistical computing and graphics. It is widely used for data analysis, statistical modeling, and visualization.
Automatically generated - may contain errors
2 protocols using r software for windows version 3
1
Examining Interrater Reliability in Ophthalmic Assessments
2
Evaluating HMGB2 Expression in Clinical Outcomes
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The relationship between HMGB2 expression and clinical features was analyzed using chi-square tests (Pearson’s chi-square test and Yates’s correction for continuity) and Fisher’s exact test. Correlations between variables were calculated by Pearson’s correlation coefficients or Spearman’s rank correlation coefficients. Survival curves were estimated by the Kaplan-Meier method and the log-rank test was applied to compare the curves. Logistic regression and Cox proportional hazards regression were used for univariate and multivariate analysis. Data from the cell proliferation, migration, cell count, and apoptosis experiments as well as the relative protein expression of western blot were analyzed by two-tailed Student’s t-test or analysis of variance (ANOVA). All statistical analyses were performed using the Statistical Package for the Social Sciences version 25.0 for Windows (IBM Corp., Armonk, NY, USA) and R software for Windows version 3.6.1 (http://www.r-project.org/ ). A P value of <0.05 was considered statistically significant.
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