High Systemic Immune-Inflammation Index and Body Mass Index Are Independent Risk Factors of the Thoracic Ossification of the Ligamentum Flavum

Table 1

Demographics of included patients.

Variables	Patients ()
Gender (/%)
Male	56 (59%)
Female	39 (41%)
Age (), (year)
BMI (), (kg/m^2)
Coexistence of hypertension or diabetes (/%)
No	71 (75%)
Yes	24 (25%)
Groups
OLF patients	48 (51%)
Control patients	47 (49%)

SD: standard deviation; BMI: body mass index.