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Table 4 The effect of probiotic treatment on the number of, duration of use, severity and combined load of medications usage

From: Lactobacillus fermentum (PCC®) supplementation and gastrointestinal and respiratory-tract illness symptoms: a randomised control trial in athletes

   

Effect of probiotic

relative to placebo

(mean; 99% CI)

 
 

Probiotic

group

(mean ± SD)

Placebo

group

(mean ± SD)

Ratio

Difference

Qualitative

inference

Males

Number of medication episodes

0.37 ± 0.72

1.26 ± 1.90

0.29;

0.04 to 0.89

 

Very likely ↓

Total days of medications

5.0 ± 20.8

7.2 ± 14.8

0.70;

0.01 to 2.3

 

Unclear

Mean # of medications per episode

1.14 ± 0.24

1.29 ± 0.44

 

-0.15;

-0.57 to 0.24

Possibly trivial

Total # of medications

5.2 ± 20.8

9.1 ± 17.3

0.57;

0.01 to 3.1

 

Unclear

Females

Number of medication episodes

1.98 ± 2.63

1.08 ± 1.32

1.83;

0.38 to 6.5

 

Possible ↑

Total days of medications

10.7 ± 18.2

5.8 ± 7.9

1.86;

0.31 to 8.5

 

Likely ↑

Mean # of medications per episode

1.15 ± 0.24

1.53 ± 0.99

 

-0.39;

-1.32 to 0.24

Possible ↓

Total # of medications

12.7 ± 20.9

7.4 ± 10.4

1.70;

0.27 to 7.8

 

Possible ↑

  1. SD, standard deviation; CI, confidence interval.
  2. Smallest clinically important values for assessing effects qualitatively: ratios, ×/÷1.20; differences, ± 0.5.