Comparison of mRNA expression between groups was determined using the Student's t-test. The correlation between the expression of ALDH1 and that of Notch signaling genes was determined using Spearman's correlation analysis. Associations between clinicopathological factors and the expression of genes were determined using the χ2 test or Fisher's exact test. For survival analysis, the Kaplan-Meier method and multivariate Cox regression analyses were performed, and resultant curves were compared via a log-rank test. A p-value < 0.05 was considered statistically significant. Statistical analysis was performed using the SPSS 19.0 statistics software package (Chicago, IL, USA).
Spss 19.0 statistics software package
Manufactured by IBM
Sourced in United States
SPSS 19.0 is a statistical software package developed by IBM. It provides advanced analytical capabilities for data management, visualization, and statistical analysis. The software is designed to help users gain insights from their data through a range of statistical techniques.
Automatically generated - may contain errors
Lab products found in correlation
2 protocols using spss 19.0 statistics software package
1
Transcriptional Profiling and Survival Analysis
2
Statistical Analysis of Research Findings
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Statistics analysis was conducted using the SPSS 19.0 Statistics Software Package (SPSS Inc., Chicago, IL). Unless stated otherwise, mean values and standard deviations are reported. Student’s t-test was used for comparisons between subgroups. For categorical variables, the χ2 test or Fisher’s exact test was used as appropriate. For identifying risk factors, those variables with a p value less than 0.1 according to univariate analysis were then included into a binary logistics regression analysis using the backward wald stepwise method. For all statistical analyses, p values less than 0.05 were considered significant.
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