Table 1. Baseline characteristics and clinical data of all patients.

Parameter	Values
Number	30
Age (years)	20.2±6.2
Gender	18 F, 12 M
Etiology	15 IS, 9 CS, 4 MS, 2 NF
Apex location	18 T, 12 TL/L
Scoliosis (°)	123.1±16.4
Coronal DAR	17.3±3.1
Kyphosis (°)	120.3±19.9
Sagittal DAR	17.5±4.2
Total DAR	34.8±5.5
Traction time (months)	2.9±0.7
No. of instrumented vertebra	12.3±0.8
Operative time (minutes)	410.8±126.2
Estimated blood loss (mL)	1,364.2±619.8

Values are presented as the mean ± standard deviation. F, female; M, male; IS, idiopathic scoliosis; CS, congenital scoliosis; MS, Marfan syndrome; NF, neurofibromatosis; T, thoracic; TL/L, thoracolumbar/lumbar; DAR, deformity angular ratio.