Table 1.

Descriptive characteristics of patients who participated in a 1992-1993 U.S. Scoliosis Cohort Questionnaire Survey

CharacteristicsMedianMeanRange
All patients (n = 3,010)
    Age at scoliosis diagnosis (y)12.011.00-19
    Follow-up (y)35.539.513-68
    Age at end of follow-up (y)47.651.330-84
    Total breast dose (cGy)9.312.10-111
    No. breast-exposed radiographs21.026.80-332
    No. years during which breast-exposed radiographs were taken4.06.10-55
Breast-exposed patients (n = 2,765)
    Total breast dose (cGy)10.313.20.005-111
    No. breast-exposed radiographs24.029.21-332