2.4. Statistical analysis
Statistical analyses were performed using SPSS for Windows
(Version 15.0, SPSS Inc., Munich, Germany). For Chi-square analysis,
t-test for independent samples, and t-test for paired samples, the
confidence interval and level of significance were 95% and P=0.05,
respectively. Statistical analyses were conducted for Lactobacillus,
Pediococcus, and Lactobacillus and Pediococcus isolates combined,
with growth in beer as the dependant variable.