borderline significancep = 0.055
A borderline significance ( p = 0.055) was only observed for abnormal fatigue, whose incidence was more than doubled in children with than without pre-existing diseases (8/59 = 13.6% versus 36/570 = 6.3%).
A borderline significance ( p = 0.055) was only observed for abnormal fatigue, whose incidence was more than doubled in children with than without pre-existing diseases (8/59 = 13.6% versus 36/570 = 6.3%).
An increasing trend with age was observed for most specific symptoms, although statistical significance was achieved only for respiratory, psychological, and cardiac disorders, maybe for the lower sample size ( n = 60) and statistical power.