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

Gender0.653
Male513219 (grade 2: 15, grade 3: 4)
Female482820 (grade 2: 17, grade 3: 3)
Age0.566
<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)
Decompression0.864
Unilateral decompression875334 (grade 2: 27, grade 3: 7)
Bilateral decompression1275 (grade 2: 5, grade 3: 0)

BMI: body mass index; represents significant differences.