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Table 2 Sick-leave.

From: Increasing work-place healthiness with the probiotic Lactobacillus reuteri: A randomised, double-blind placebo-controlled study

  L. reuteriGroup n = 94 Placebo Group n = 87 Significance
No. of subjects reporting sick-days (%) 10 (11) 23 (26) p < 0.01, Pearsons χ2
number of sick-days for individuals reporting sick-leave, median 3 3 n.s.
Frequency of sick days*, whole groups 0.4% 0.9% p < 0.01, Kruskal-Wallis
  1. * Frequency of sick days = (reported number of sick days/total number of study days) × 100