Augmented pedicle trajectory applied on the osteoporotic spine with lumbar degenerative disease: mid-term outcome

Table 1 Results of demographics

	PSA group	TPS group	P value
Cases	28	28
Male/female	2/26	3/25	1.000
Diagnosis (LSS/spondylolisthesis)	15/13	18/10	0.587
Age (years)	67.12 ± 1.31	66.04 ± 1.08	0.527
Follow-up time (month)	35.04 ± 7.39	33.61 ± 5.36	0.412
BMD	− 3.02 ± 0.17	− 3.01 ± 0.12	0.971
BMI	24.38 ± 0.72	24.59 ± 0.61	0.828
Size of subsidence cage
Height (mm)	10.92 ± 0.77	10.96 ± 0.76	0.813
Length (mm)	23.67 ± 2.00	24.37 ± 2.00	0.173
Bone graft			0.752
Allograft bone	7	6
Autogenous iliac crest bone	21	22
Fusion segment (single/double/multiple)	6/16/6	12/10/6	0.184

ISSN: 1749-799X