Efficacy of heat-killed Lactococcus lactis JCM 5805 on immunity and fatigue during consecutive high intensity exercise in male athletes: a randomized, placebo-controlled, double-blinded trial

Table 3 Number of subjects and cumulative days of URTI during intervention period

Comparison of the cumulative number of subjects and days of URTI
^aFor each subjects and incidences were compared between the placebo and LC-Plasma groups by Chi-square test
^bThe adjusted residual of the LC-Plasma group (symptom negative) was calculated as 2.3

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