Table 3.

Mean (SD) of spinopelvic parameters in patient groups according to femoral head height difference at presentation

	Group (N = 67) with femoral head height difference ≤ 10 mm at time point 1	Group (N = 6) with femoral head height difference > 10 mm at time point 1	p value
Major curve Cobb angle at time point 1	21.1 (8.2)	27.7 (7.5)	> 0.05
Major curve Cobb angle at time point 2	25.4 (11.1)	36.0 (6.0)	< 0.05
Change of major curve Cobb angle between time points	4.3 (8.3)	8.3 (5.0)	> 0.05
Iliac crest height difference at time point 1	4.4 (3.7)	14.7 (1.8)	< 0.001
Iliac crest height difference at time point 2	5.2 (4.5)	14.8 (4.5)	< 0.001
Change of iliac crest height difference between time points	0.8 (3.3)	0.2 (4.8)	> 0.05
Sacral takeoff angle at time point 1	2.6 (2.4)	7.8 (5.6)	< 0.01
Sacral takeoff angle at time point 2	3.2 (2.8)	6.5 (4.7)	> 0.05
Change of sacral takeoff angle between time points	0.5 (1.7)	− 1.3. (5.3)	> 0.05
Femoral head height difference at time point 1	3.1 (2.8)	11.3 (1.8)	< 0.001
Femoral head height difference at time point 2	3.4 (4.0)	11.8 (2.5)	< 0.001
Change of femoral head height difference between time points	0.3 (3.1)	0.5 (3.0)	> 0.05

p-values in italics show statistically significant results