Table 3.

Predictors of Staphylococcus aureus (MRSA) Antibiotic Coverage*

Initial Antibiotic Covered MRSA N = 308 Odds Ratio (CI), P ValueMRSA Antibiotic Coverage at Any Time N = 313 Odds Ratio (CI), P Value
Postintervention vs. preintervention group2.67 (1.54, 4.62), 0.00052.70 (1.68, 4.32), <0.0001
Abscess or abscess plus cellulitis vs. cellulitis alone2.81 (1.62, 4.87), <0.00012.61 (1.63, 4.18), <0.0001
Culture sent vs. not sent3.03 (1.72, 5.35), 0.00032.54 (1.62, 3.99), <0.0001
Prescribed ≤ 2 antibiotics vs. > 27.67 (2.19, 26.88), <0.0001
Antibiotics
Patient not hospitalized vs. hospitalized10.55 (1.35, 82.60), 0.0186
Age between 20 and 60 vs. other ages1.69 (1.17, 2.57), 0.0112
  • * Multivariate logistic regression.