Table 1. Sample size and demographic parameters.

	Test-retest (N = 10)	Interrater (N = 10)
Demographic parameters
Age, yr	63.0 ± 13.3	59.6 ± 8.3
Body height, cm	166.4 ± 0.1	160.7 ± 0.1
Body weight, kg	65.3 ± 15.8	67.1 ± 5.9
Body mass index, kg/m2	23.3 ± 3.2	26.2 ± 3.3
Gender (M/F)	3/7	3/7
2D Spinopelvic parameters
Pelvic tilt (°)	23.0 ± 10.9	20.4 ± 12.3
Sagittal vertical axis (mm)	40.2 ± 37.7	46.3 ± 67.7
Pelvic incidence minus lumbar lordosis (°)	8.8 ± 17.7	14.3 ± 34.9
SRS-Schwab Coronal classification (D/T/L/N)	7D/3L	4D/6L

D: Double; T: Thoracic; L: Lumbar; N: No coronal curve