Table 3.
Multivariable regression analyses of factors associated with performance of incision and drainage and with receipt of adjuvant antibiotics coupled with incision and drainage in patients with skin and soft-tissue infections.
| % Receiving I+D | AOR (95% CI) | % Receiving antibiotics | AOR (95% CI) | |
|---|---|---|---|---|
| Year | ||||
| 2007 | 25% | 1.00 | 91% | 1.00 |
| 2008 | 29% | 1.30 (0.90–1.90) | 80% | 0.57 (0.25–1.29) |
| 2009 | 27% | 1.34 (0.96–1.87) | 83% | 0.49 (0.23–1.04) |
| Age | ||||
| <18 | 24% | 1.00 | 87% | 1.00 |
| 18–49 | 32% | 1.77 (1.23–2.55) | 84% | 0.46 (0.12–1.70) |
| >49 | 17% | 0.94 (0.60–1.49) | 81% | 0.42 (0.10–1.66) |
| Race | ||||
| White | 22% | 1.00 | 85% | 1.00 |
| Nonwhite | 41% | 2.34 (1.71–3.19) | 83% | 0.77 (0.43–1.40) |
| Sex | ||||
| Male | 28% | 1.00 | 85% | 1.00 |
| Female | 26% | 0.86 (0.63–1.18) | 83% | 1.09 (0.58–2.03) |
| Insurance status | ||||
| Private | 25% | 0.96 (0.74–1.25) | 84% | 0.92 (0.47–1.80) |
| Public/other | 28% | 1.00 | 85% | 1.00 |
| US census region | ||||
| Northeast | 15% | 1.00 | 72% | 1.00 |
| Midwest | 26% | 1.96 (1.19–3.22) | 78% | 1.90 (0.62–5.81) |
| South | 32% | 2.36 (1.52–3.65) | 89% | 3.23 (1.41–7.40) |
| West | 26% | 2.13 (1.31–3.45) | 78% | 1.31 (0.49–3.52) |
I+D, incision and drainage; AOR, Adjusted Odds Ratio