3.2.2. Retention Ratio, Intervention Adherence and Tolerability
acute infection, inflammation, airway infection
ADVERSE EVENTS, INFLAMMATION, ACUTE INFECTION
The retention ratio was 80%, i.e., 78.8% in the probiotic group and 81.5% in the placebo group (All participants reported full adherence and acceptability of the intervention over the 60 days, as shown in the monitoring questionnaire.With regard to tolerability, no serious adverse events were observed. The participants in the PLC group reported acute upper airway infection (including COVID-19; A statistical analysis was performed on data from 26 participants in the PRO group, and from 22 participants in the PLC group. However, due to the presence of confounders, some outcome measures were excluded from the analysis, e.g., inflammation parameters when acute infection symptoms were reported in the monitoring questionnaire administered at timepoint t3 or V2 (