Spss system for windows version 13

The SPSS statistical package (SPSS System for Windows, version 13.0; SPSS Inc, Chicago, IL) was used to perform the analyses in this study. Student's t-test and the Chi-square test were used to compare continuous variables and categorical variables, respectively. We performed propensity score matching analysis according to age, gender, underlying comorbidities, and medications to minimize potential confounding effects. The Cox regression model was used to identify risk factors associated with mortality. The Kaplan–Meier method with the log-rank test was used to estimate the survival probabilities with different numbers of complications (from 0 to 3 or more) in cirrhotic patients with bacterial infections. Hazard ratios (HRs) with 95% confidence intervals (CI) using a significance level of 0.05 were used in this study.

The SPSS statistical package SPSS System for Windows version 13.0 (SPSS Inc., Chicago, IL, USA) was used for statistical analyses. Student t-test was used to compare continuous variables, and the chi-square test or Fisher exact test was used to compare categorical variables. The proportional hazards Cox regression model was used to identify risk factors for mortality. Hazard ratios (HRs) with the 95% confidence intervals (CI) for mortalities over 30 days, 30 to 90 days, 90 days to 1 year, and 1 to 3 years were calculated for comparisons between the SBP and non-SBP groups. Values of p<0.05 were considered statistically significant.

The SPSS statistical package (SPSS System for Windows, version 13.0; SPSS Inc., Chicago, IL, USA) was used for all statistical analyses. Student's t-test was used to compare continuous variables with normal distributions, and the Mann–Whitney U-test was used for continuous variables with non-normal distributions. The Chi-square test or Fisher's exact test was used to compare categorical variables. A proportional hazards Cox regression model was used to identify risk factors for mortality. Hazard ratios (HRs) with 95% confidence intervals (CIs) for 30-day mortality were calculated for comparisons between the terlipressin and somatostatin groups. P < 0.05 were considered statistically significant.