TABLE 4.

Predictors of strong biofilm-producing MRSA

Variable	OR (95% CI)a
Beta-toxin production	0.31 (0.11–0.89)
Chemotherapy or immunosuppressant use in previous 90 days	33.6 (1.68–673)
Serum creatinine concn (per unit increase)	0.33 (0.15–0.72)
spa type t008	4.54 (1.21–17.1)
spa type t895	0.02 (<0.001–0.47)
Vancomycin use in previous 90 days	0.03 (0.002–0.39)

^aAbbreviations: OR, odds ratio; CI, confidence interval.