Table 2.
Univariate and multivariate analyses of hospital characteristics associated with rate of antibiotic use over 1 day for clean surgery.
| Characteristics | Univariate model | Multivariate model* | ||||
|---|---|---|---|---|---|---|
| B | (95% CI) | P | B | (95% CI) | P | |
| Accreditation level | ||||||
| Medical centers | 1.00 | 1.00 | ||||
| Regional hospitals | 10.33 | (7.29–13.37) | <.001 | 9.45 | (6.02–12.87) | <.001 |
| Local hospitals | 17.90 | (14.82–20.99) | <.001 | 15.04 | (9.61–20.47) | <.001 |
| Ownership | ||||||
| Public hospitals | 7.09 | (2.32–11.85) | .004 | 4.94 | (0.61–9.28) | .025 |
| Private hospitals | 8.24 | (3.32–13.17) | .001 | −0.09 | (−6.30–6.11) | .976 |
| Medical care corporation hospitals | 11.84 | (4.95–18.73) | .001 | 8.17 | (0.85–15.49) | .029 |
| Medical care foundation hospitals | 1.00 | 1.00 | ||||
| Teaching status | ||||||
| Yes | 1.00 | 1.00 | ||||
| No | 9.00 | (4.99–13.00) | <.001 | 4.40 | (−2.18–10.98) | .190 |
| Geographic region | ||||||
| Taipei area | 1.00 | 1.00 | ||||
| Northern area | −0.41 | (−7.31–6.48) | .906 | −2.80 | (−9.09–3.49) | .383 |
| Central area | −3.11 | (−8.98–2.78) | .301 | −5.00 | (−10.27–0.27) | .063 |
| Southern area | −3.17 | (−9.81–3.48) | .350 | −3.96 | (−9.78–1.86) | .182 |
| Kao-Ping area | 0.04 | (−6.23–6.31) | .990 | −3.00 | (−8.77–2.78) | .309 |
| Eastern area | −5.90 | (−14.02–2.22) | .154 | −8.85 | (−16.79–0.92) | .029 |
Abbreviation: CI = confidence interval.
*
The model was adjusted for the year and quarter of reporting as revealed by each hospital.