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Table 3 Participants with symptoms on at least one day of 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 50 (63.3%) 51 (63.8%) 0.95
Common cold 61 (77.2%) 57 (71.3%) 0.39
Hoarseness 35 (44.3%) 32 (40.0%) 0.58
Sore throat 38 (48.1%) 48 (60.0%) 0.13
Earache 12 (15.2%) 11 (13.8%) 0.80
Headache 47 (59.5%) 53 (66.3%) 0.38
Fever 18 (22.8%) 21 (26.3%) 0.61
Stomachache 19 (24.1%) 22 (27.5%) 0.62
Diarrhea 16 (20.3%) 30 (37.5%) 0.02
Vomiting 8 (10.1%) 2 (2.5%) 0.06b
Any symptom 67 (84.8%) 70 (87.5%) 0.62
  1. ap-values calculated using chi-square test or t-test.
  2. bp-value calculated using Fisher’s exact test.