TABLE 2

Characteristics of Study Population

CharacteristicMean ± SDRange
Age12.9 ± 1.610–17
Height, m1.59 ± 0.101.11–1.95
Weight, kg51.5 ± 13.226–100.2
BMI20.3 ± 4.411.3–42.4
BMI percentile56.3 ± 30.2<5 to >95
Largest curve27.5o ± 13.6o10°–78°
Thoracic curve27.5o ± 14.1o7°–78°
Lumbar curve24.6o ± 11.6o6°–75°
Thoracolumbar curve25.2o ± 11.0o10°–50°
Zip code median income$43 286 ± $16 979$10 489–$118 275
Distance to center, miles39.2 ± 35.90.8–217.2