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Table 3 Mean values and standard deviation (SD) for the whole sample of Gastrointestinal symptoms and the delta changes between the run in phase and the intake phase (week 3-4)

From: Perilla Extract improves gastrointestinal discomfort in a randomized placebo controlled double blind human pilot study

Whole sample size (N = 47) Placebo Perilla Placebo Perilla  
Run In Intake week 1-2 Intake week 3-4 p value (ANOVA) Run In Intake week 1-2 Intake week 3-4 p value (ANOVA) Delta week 3-4 to run in Delta week 3-4 to run in Comparison between groups (95% CI)
Bloating 1.45 1.44 1.2 0.0733 1.42 1.28 0.98 0.0003 -0.25 -0.44 -0.194 to 0.562
SD 0.74 0.72 0.77   0.81 0.64 0.78   0.71 0.56
Passage of gas 1.47 1.57 1.37 0.2284 1.6 1.5 1.3 0.0264 -0.10 -0.30 -0.177 to 0.577
SD 0.66 0.53 0.62   0.77 0.62 0.74   0.62 0.66
GI rumbling 1.51 1.33 1.18 0.0635 1.64 1.27 1.09 0.0014 -0.33 -0.55 -0.251 to 0.685
SD 0.86 0.91 0.83   0.85 0.6 0.81   0.71 0.87
Feeling of fullness 1.08 1.05 0.83 0.0987 1.03 0.84 0.67 0.0152 -0.24 -0.36 -0.288 to 0.515
SD 0.8 0.59 0.62   0.77 0.63 0.63   0.64 0.72
Abdominal discomfort 1.15 1.06 0.84 0.0345 1.25 0.92 0.71 0.0004 -0.31 -0.54 -0.156 to 0.621
SD 0.93 0.84 0.81   0.86 0.61 0.74   0.55 0.75
  1. For the comparison within group p values of repeated measures ANOVA and for the comparison between groups the 95% confidence intervals of differences are shown.