Table 3 Odds ratio and confidence limits for the variables having a significant impact on frequent readmissions in model one five most common ICD 9 diagnoses, results from logistic regression backwards elimination.
Variable | P value | Odds ratio | 95% Confidence Interval for odds ratio | |
|---|---|---|---|---|
| Â | Â | Â | Lower | Lower |
Age (years) | .000 | 1.046 | 1.036 | 1.055 |
Proportion of urgent (Triage categories 1 and 2) | .001 | 2.363 | 1.416 | 3.942 |
Proportion of neuroses (ICD 9 code 3079) | .000 | 13.430 | 7.435 | 24.258 |
Proportion of congestive heart failure (ICD 9 code 4280) | .027 | 4.720 | 1.189 | 18.744 |
Proportion of chronic obstructive pulmonary disease (ICD 9 code 496) | .000 | 8.807 | 3.857 | 20.107 |
Proportion of dyspnoeas (ICD 9 code 78609) | .000 | 6.095 | 3.425 | 10.845 |
Proportion of unplanned return visits within 28 days of previous visit | .000 | 14.381 | 5.487 | 37.693 |
Constant | .000 | .000 | Â | Â |