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Table 4 Fusion rate of the two groups

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

0

 

Fusion rate (%)

95.00

95.20

1.000

  1. P values are based on the χ2 test, P < 0.05 indicates a statistically significant difference