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Table 4 Mean values and standard deviation (SD) for women 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

Women (N = 38) 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 1.54 1.65 1.4 0.1641 1.43 1.27 0.91 0.0002 -0.14 -0.51 -0.031 to 0.787
SD 0.67 0.58 0.68   0.85 0.71 0.83   0.67 0.57
Passage of gas 1.54 1.69 1.49 0.2572 1.62 1.51 1.28 0.0272 -0.04 -0.34 -0.126 to 0.727
SD 0.65 0.47 0.59   0.81 0.68 0.77   0.60 0.69
GI rumbling 1.6 1.47 1.3 0.1685 1.64 .1.17 0.9 0.0002 -0.30 -0.74 -0.080 to 0.948
SD 0.78 0.92 0.85   0.81 0.59 0.68   0.70 0.85
Feeling of fullness 1.05 1.13 0.86 0.1016 0.96 0.76 0.51 0.0062 -0.19 -0.45 -0.173 to 0.709
SD 0.78 0.61 0.67   0.79 0.67 0.59   0.60 0.73
Abdominal discomfort 1.14 1.16 0.91 0.0843 1.2 0.83 0.57 0.0004 -0.24 -0.63 -0.031 to 0.828
SD 0.87 0.84 0.84   0.89 0.64 0.65   0.48 0.79
  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.