Treatment of Kümmell’s disease with sequential infusion of bone cement: A retrospective study

Table 1 The baseline data in both groups

Variable	TSI group	SI group	P value
Number of patients	24	21
Female/male	20/4	18/3	1.000
Age in yr, mean ± SD	65.45 ± 5.20	66.19 ± 4.80	0.593
Damaged segment number, T/TL/L	3/16/5	2/15/4	0.930
BMD, mean ± SD	-3.04 ± 0.31	-2.96 ± 0.28	0.335

Note: Statistical significance was set at P < 0.05. BMD: Bone mineral density; L: Lumbar region; SD: Standard deviation; SI: Sequential infusion; T: Thoracic region; TL: Thoracolumbar region; TSI: Traditional single infusion.