2.4. Statistical Analysis
REGRESSION
Baseline demographic characteristics of infants such as baseline weight, gender, baseline age category (≤1 or >1 month) were analyzed using linear regression to compare probiotic and placebo groups at a one-sided significance level of 0.05. Analysis of variance (ANOVA) was used to test the differences in the mean values among the three different treatment groups. Anthropometric measurements, crying/fussing time (hours/day), and number of episodes were compared between each group using a two-sample 