Table 1.

Patient Demographic Data at Each of the Three Examinations

Note.—Unless otherwise specified, data are means ± standard deviations, with ranges in parentheses.

^*One hundred seventy-one examinations were performed in pediatric patients (age range, 1 month to 18 years), and 12 examinations were performed in adult patients (age range, 19–27 years).

^†Four hundred sixty-eight examinations were performed in pediatric patients (2 mo to 18 years), and 24 examinations were performed in adult patients (19–28 years).

^‡All examinations were performed in pediatric patients.

^§Data in parentheses are percentages.