Figure 2. . . . . . Hospitalization trends for children <17 years of age with staphylococcal infection, California, USA, 1985–2009. Data are no. of patients/100,000 population, except as indicated for children <1 year of age. A) Trends by sex. B) Trends by race. C) Trends by age group, age >1 year. D) Trends for infants (children <364 days of age) compared with trends for children 1–17 years of age; *number/100,000 children <1 year of age.