a decreasing trendP = .293
Although not statistically significant, there was a decreasing trend in hazards of subsequent symptomatic infections among children with 1 or more prior infections (HR, 0.798 [95% CI, .524–1.215]; P = .293) and ≥2 prior infections (HR, 0.668 [95% CI, .381–1.172]; P = .159) (Table 3 ).