TABLE 1.

Characteristics of Study Population

Age	58.4 (15.2)
Female sex	44.2%
MRSA screen positive	11.7%
BMI	31.6 (8.6)
Diabetes	16.6%
Indication for procedure
Degenerative	57.1%
Fall/trauma	31.8%
Deformity	5.5%
Tumor	5.2%
Vertebral levels
Number involved	6.6 (3.9)
Lowest involved	L4 [T4–S1]
Minimally invasive technique	0.6%
Procedure duration, min	417.6 (159.7)
Vancomycin powder	49.4%

Values are reported as mean (standard deviation) for continuous variables, as median [interquartile range] for ordinal variables and as percentage for categorical variables.

MRSA indicates methicillin-resistant S. aureus.