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. Author manuscript; available in PMC: 2024 Feb 1.
Published in final edited form as: Lancet Microbe. 2023 Jan 13;4(2):e75–e83. doi: 10.1016/S2666-5247(22)00322-6

Table 3.

Adverse events

Adverse events Probiotic (n=55) Placebo (n=60) P value1
Fever 0 0 1·00
Infection 0 0 1·00
Nausea/vomiting 4 (7·3%) 4 (6·7%) 1·00
Constipation 3 (5·5%) 2 (3·3%) 0·67
Headache 0 0 1·00
Muscle pain/cramp/spasm 0 0 1·00
Upset stomach/heartburn 3 (5·5%) 2 (3·3%) 0·67
Gas/bloating 0 2 (3·3%) 0·50
Unusual stool (loose/discolored/more frequent) 3 (5·5%) 2 (3·3%) 0·67
Bad taste 4 (7·3%) 1 (1·7%) 0·19
1

Two-tailed Fisher’s exact test