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Table 6 Linear mixed model of active vs. placebo at Week 4

From: The effects of the DDS-1 strain of lactobacillus on symptomatic relief for lactose intolerance - a randomized, double-blind, placebo-controlled, crossover clinical trial

  Time point n Mean Std. Deviation Std. Error Mean p-value
Diarrhea Active 147 1.34 2.462 0.203 0.033 *
Placebo 147 1.69 2.558 0.211
Abdominal cramping Active 147 1.94 2.341 0.193 0.012 *
Placebo 147 2.39 2.188 0.180
Vomiting Active 147 .08 .379 0.031 0.0002 **
Placebo 147 .36 .936 0.077
Audible bowel sounds Active 147 2.76 2.536 0.209 0.589
Placebo 147 2.86 2.497 0.206
Flatulence Active 148 3.16 2.873 0.236 0.770
Placebo 148 3.21 2.699 0.222
Overall Active 147 9.28 9.202 0.759 .037 *
Placebo 147 10.51 9.327 0.769
  1. This table describes all of the time points at week 4, comparing the active versus placebo groups
  2. *statistically significant at p < 0.05; ** statistically significant at p > 0.01