Table 4. Multivariate Bayesian analysis showing posterior distributions for the regression coefficients associated with recruitment hospital performance.
Mean posterior probability | 25% Limit of credibility | 75% Limit of credibility | OR | |
Response variable: ratio of interim recruited to expected COPD cases | ||||
Intercept | −2.50 | −3.18 | −1.79 | |
Total patients admitted in 2007 (log N) | 0.29 | 0.19 | 0.38 | 1.33 |
Access to electronic/digital information (Yes) | 0.23 | 0.13 | 0.34 | 1.26 |
COPD patients admitted in 2007 (log N) | 0.20 | 0.12 | 0.28 | 1.23 |
Access to pulmonologist in the ED (Yes) | 0.13 | 0.03 | 0.25 | 1.15 |
Written protocol for COPD (Yes) | 0.09 | −0.01 | 0.19 | 1.09 |
Early discharge scheme/day hospital/hospital at home (Yes) | −0.31 | −0.42 | −0.21 | 0.73 |
Total hospital beds (log N) | −0.17 | −0.28 | −0.03 | 0.85 |
Hospital case-mix index (units) | −0.14 | −0.26 | 0.00 | 0.87 |
University hospital (Yes) | −0.13 | −0.25 | −0.01 | 0.88 |
Pulmonary medicine staff (N) | −0.04 | −0.06 | −0.02 | 0.96 |
Hospital random effects (standard deviation) | 0.70 | −0.67 | 0.73 | |
Response variable: proportion of interim COPD cases that become definite | ||||
Intercept | 1.71 | 0.97 | 2.45 | |
Hospital Case-mix (units) | 0.24 | −0.00 | 0.49 | 1.27 |
Lung function laboratory (Yes) | 0.40 | 0.15 | 0.65 | 1.49 |
Access to electronic/digital information (Yes) | 0.34 | 0.15 | 0.54 | 1.40 |
Pulmonary physicians on duty on site (Yes) | 0.18 | −0.06 | 0.41 | 1.20 |
Pulmonary medicine staff (N) | 0.03 | 0.00 | 0.05 | 1.03 |
University Hospital (Yes) | −0.72 | −0.92 | −0.52 | 0.49 |
Residents in training (Yes) | −0.34 | −0.54 | −0.14 | 0.71 |
Written protocol for COPD (Yes) | −0.31 | −0.48 | −0.12 | 0.74 |
COPD patients admitted for COPD in 2007 (log N) | −0.26 | −0.38 | −0.12 | 0.77 |
Non-invasive ventilation (Yes) | −0.26 | −0.53 | −0.00 | 0.77 |
Hospital random effects (standard deviation) | 1.29 | 1.23 | 1.36 |
OR: Odds Ratio.