showed a trendp = 0.324
Efficacy analysis The difference in time to resolution of all influenza-like symptoms between treatment groups was not statistically significant but showed a trend towards improvement in subjects in the inosine pranobex group compared with subjects in the placebo group (HR: 1.175; 95 % CI: 0.806, 1.714; p = 0.324) (Fig. 2 ).