Probiotics vs placebo or no treatment
Number of participants who were diagnosed with acute URTIs: at least 3 events · children, adults, and the elderly
Intention‐to‐treat analysis: probiotics probably leads to lower number of participants who were diagnosed with acute URTIs: at least… compared with placebo or no treatment (moderate certainty).
1 finding from 1 review
- Probiotics for preventing acute upper respiratory tract infections 2022 · Cochrane Headline outcomes onlyRR 0.59 [0.38, 0.91]4 studies · 763 participantsModerate