showed a trendP = 0.225
Analysis of individual RTI subtypes showed a trend toward shorter duration of common cold (8.88 ± 8.79 vs. 10.32 ± 8.57; P = 0.225) and tonsillopharyngitis (1.88 ± 4.12 vs. 2.67 ± 4.74; P = 0.186) in the active group (Table 2 ).