Table 4.
Risk Factor | Adjusted Odds Ratios (95% CI) | p |
---|---|---|
Breast implant/expander | 5.3 (2.5,11.1) | <.001 |
Sub-optimal prophylactic antibiotic dosing | 5.1 (2.5,10.2) | <.001 |
Transfusion | 3.4 (1.3,9.0) | .012 |
Mastectomy | 3.3 (1.4,7.7) | .007 |
Chest irradiation prior to surgery | 2.8 (1.2,6.5) | .013 |
Recent or current smoking | 2.1 (0.9,4.9) | .080 |
Local infiltration of anesthetic agent | 0.4 (0.1,0.9) | .033 |
The c statistic for the model = .782 The Hosmer and Lemeshow goodness of fitness chi-square p = .749 (7 df), and the Nagelkerke R2 = .249.