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Table 4 Average number of days with symptoms during the intervention period

From: Effects of the regular intake of the probiotic Lactobacillus reuteri (DSM 17938) on respiratory and gastrointestinal infections in a workplace setting: a double-blind randomized placebo-controlled trial

  Intervention group Control group p-valuea
  (n = 79) (n = 80)  
Cough 7.52 10.79 0.67
Common cold 10.38 13.81 0.51
Hoarseness 3.34 3.50 0.91
Sore throat 3.92 4.37 0.26
Earache 1.19 0.95 0.75
Headache 3.53 5.42 0.16
Fever 1.02 0.99 0.73
Stomachache 0.96 1.30 0.58
Diarrhea 0.60 1.33 0.01
Vomiting 0.21 0.04 b
Any symptom 32.67 42.50 0.25
  1. ap-values calculated using chi-square test or t-test.
  2. bStatistical analysis not possible due to low case frequency.