The SPSS 17.0 package for Windows (SPSS, Chicago, IL) was used for statistical analysis and all the values were expressed in terms of means ± SD for the efficacy analysis. Survival time was calculated from the initiation of AA and the date of death. Patients alive were censored at the last known follow-up date. Overall survival (OS) rates were estimated using the Kaplan-Meier method.
Spss 17.0 package for windows
Manufactured by IBM
Sourced in United States
SPSS 17.0 is a software package developed by IBM for Windows-based systems. It provides a comprehensive set of statistical analysis tools and techniques. The core function of SPSS 17.0 is to enable users to analyze and interpret data, generate reports, and perform advanced statistical modeling.
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Lab products found in correlation
2 protocols using spss 17.0 package for windows
1
Statistical Analysis of Survival Time
2
Determining Anesthetic Dose-Response Profiles
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SPSS 17.0 package for Windows (SPSS Inc., Chicago, IL, USA) was used for statistical analysis. Data are expressed as the mean (SD), median (range), or count/number. The means were compared using one-way analysis of variance (ANOVA), while medians (ranges) were analyzed by Kruskal-Wallis one-way analysis, and counts or proportions were analyzed by using the Fisher’s exact test. The ED50 for motor block was determined according to the up-and-down sequences method of Dixon and Massey [22 ], while the probit regression analysis was used as a backup or sensitivity test. One-way analysis of variance (ANOVA) was used for comparisons of the ED50, and the Tukey multiple comparison test was used for multiple comparisons between groups. Based on the study by Paul and Fisher, patients were enrolled until 6 crossovers were obtained [21 (link)]; therefore, we could complete the study enrollment when we had enrolled 64 patients. A P value <0.01 was considered statistically significant.
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