From: Analysis of clinical effect and radiographic outcomes of Isobar TTL system for two-segment lumbar degenerative disease: a retrospective study
Grading
Isobar TTL (n = 20)
Rigid (n = 42)
P
Fusion
19
40
Possible fusion
1
2
Nonfusion
0
Fusion rate (%)
95.00
95.20
1.000