Table 1.

Baseline and surgical characteristics of the validation cohort undergoing long-segment posterior spinal fusion for adolescent idiopathic scoliosis correction

Variables	Overall (n = 83)
Age	13 (11–14)
Female sex	61 (73.5%)
Race
White	56 (67.5%)
Black	18 (21.7%)
Other	9 (10.8%)
Hispanic ethnicity	6 (7.2%)
BMI (kg/m2)	21.6 (19.4–25.8)
Prior non-surgical intervention	51 (61.4)
Radiographic measurements
Right TC	82 (98.8)
TCA (°)	56.0 (52.0–64.0)
Left LC	82 (98.8)
LCA (°)	42.0 (32.0–52.0)
PSF (levels)	11 (10–12)
PSO (levels)	0 (0–4)

Data are median (interquartile range) or number of patients (%)

BMI Body-mass-index, TC Thoracic curve, TCA Thoracic cobb angle, LC Lumbar curve, LCA Lumbar cobb angle. PSF Posterior spinal fusion, PSO Pedicle subtraction osteotomy