From: Characteristics and standards of severe sagittal imbalance in adult patients with spinal deformities: a retrospective analysis
△Timewalk Subgroup
≥ 180 s*
≥ 180 s
(Mild group)
30 – 180 s
(Moderate group)
0 – 30 s
(Severe group)
Diffdomain (MCID)
0.972
1.452
2.126 – 3.848
≥ 5.182
Criteria (MCID)
< 1
1 – 2
2 – 4
> 4