Table 1.

Description of the study population including summary of preoperative parameters

Characteristic	Value
Age (yr)	64.7±9.2 (33.7 to 82.4)
Sex
Female	77
Male	27
Body mass index (kg/m2)	28.6±6.4 (17.2 to 55.4)
Preoperative parameters
Spinal height (mm)	479.3±61.7 (312.0 to 647.0)
Sagittal vertical axis (mm)	70.1±60.5 (-31.0 to 392.0)
Coronal vertical axis (mm)	21.7±18.6 (0.0 to 93.0)
Coronal Cobb angle (°)	28.3±16.0 (2.0 to 98.0)
LL (°)	36.8±19.2 (-7.0 to 80.0)
Pelvic tilt (°)	29.4±10.7 (5.0 to 70.0)
PI–LL (°)	23.1±19.7 (-29.0 to 78.0)
Thoracic kyphosis (°)	34.9±16.1 (-2.0 to 76.0)

Values are presented as mean±standard deviation (range) or number.

LL, lumbar lordosis; PI–LL, pelvic incidence–lumbar lordosis mismatch.