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BioMed Research International

BioMed Research International / 2018 / Article / Tab 2

Research Article

Superior Facet Joint Violations during Single Level Minimally Invasive Transforaminal Lumbar Interbody Fusion: A Preliminary Retrospective Clinical Study

Table 2

Relationship between FV and relevant factors.
FactorsPatient () Relationship between facet joint and patient
Grade 1Grade 2 + 3
Gender   0.653
Male513219 (grade 2: 15, grade 3: 4) 
Female482820 (grade 2: 17, grade 3: 3) 
Age   0.566
<60603525 (grade 2: 21, grade 3: 4) 
>60392514 (grade 2: 11, grade 3: 3) 
BMI   <0.00
<30 kg/m2624616 (grade 2: 14, grade 3: 2) 
>30 kg/m2371423 (grade 2: 18, grade 3: 5) 
Top-screw   
L3440 (grade 2: 0, grade 3: 0) 
L4664422 (grade 2: 21, grade 3: 1) 
L5291217 (grade 2: 11, grade 3: 6) 
Decompression   0.864
Unilateral decompression875334 (grade 2: 27, grade 3: 7) 
Bilateral decompression1275 (grade 2: 5, grade 3: 0) 
BMI: body mass index; represents significant differences.