Table 4 Percentage of visits resulting in re-presentation to the emergency department and adjusted odds ratios for the final model by significant patient and emergency department visit characteristics 1 January 2003 to 31 December 2004.
Explanatory Variable | All Visits % (n = 64,147) | All Patients % (n = 40,942) | % Predicted by Model | Adjusted Odds Ratio (95% CI) |
|---|---|---|---|---|
Total Re-presentation | 18.0 (n = 11559) | 6.9 (n = 5894) | Â | Â |
Patient Characteristics | Â | Â | Â | Â |
Homeless | Â | Â | Â | Â |
No | 14.5 (n = 57458) | 6.3 (n = 39347) | 11.8 | Reference |
Yes | 47.8 (n = 6689) | 22.7 (n = 1595) | 34.7 | 3.09 (2.83, 3.36) |
Pensioner | Â | Â | Â | Â |
No | 11.6 (n = 35487) | 5.0 (n = 27633) | 9.5 | Reference |
Yes | 25.9 (n = 28660) | 10.9 (n = 13309) | 18.5 | 1.73 (1.63, 1.84) |
Gender | Â | Â | Â | Â |
Female | 16.2 (n = 28328) | 6.3 (n = 18551) | 11.9 | Reference |
Male | 19.5 (n = 35819) | 7.4 (n = 22391) | 13.7 | 1.16 (1.10, 1.22) |
Age | Â | Â | Â | Â |
25 years and under | 11.5 (n = 11162) | 4.8 (n = 8745) | 9.2 | Reference |
>25 years | 19.4 (n = 52985) | 7.5 (n = 32197) | 13.8 | 1.21 (1.12, 1.32) |
Marital Status | Â | Â | Â | Â |
Single | 18.0 (n = 30321) | 6.4 (n = 20025) | 12.4 | Reference |
No Longer Married | 22.6 (n = 11709) | 9.3 (n = 6040) | 16.2 | 1.13 (1.04, 1.22) |
Married/de facto | 16.3 (n = 21058) | 6.8 (n = 13961) | 12.4 | 1.04 (0.97, 1.11) |
Unknown | 6.9 (n = 1059) | 2.9 (n = 916) | 5.6 | 0.43 (0.33, 0.56) |
Interpreter Required | Â | Â | Â | Â |
No | 17.6 (n = 57180) | 6.3 (n = 37444) | 12.5 | Reference |
Yes | 21.2 (n = 6967) | 9.4 (n = 3498) | 16.6 | 1.13 (1.04, 1.22) |
ED Visit Characteristics After Hours | Â | Â | Â | Â |
0900 – 1700 | 17.3 (n = 29993) |  | 12.5 | Reference |
1701 – 0859 | 18.6 (n = 34154) |  | 13.3 | 1.11 (1.06, 1.17) |
Attendance Source | Â | Â | Â | Â |
Other Institutions (Hospitals/Correctional) | 8.9 (n = 1510) | Â | 7.7 | Reference |
Community Nurse | 20.1 (n = 2861) | Â | 12.4 | 1.31 (1.06, 1.63) |
Hospital Service (Out/Inpatient, ED Review) | 26.4 (n = 269) | Â | 14.4 | 1.83 (1.28, 2.62) |
Crisis Assessment Team | 36.4 (n = 22) | Â | 24.0 | 2.97 (1.05, 8.41) |
Self/Family/Friends | 18.3 (n = 45593) | Â | 12.7 | 1.46 (1.21, 1.77) |
General Practitioner | 15.7 (n = 5071) | Â | 13.1 | 1.46 (1.19, 1.80) |
Nursing Home | 15.9 (n = 252) | Â | 13.2 | 1.09 (0.72, 1.66) |
Other | 18.5 (n = 8569) | Â | 12.6 | 1.42 (1.16, 1.73) |
Discharge Outcome | Â | Â | Â | Â |
Home | 17.9 (n = 42667) | Â | 13.0 | Reference |
Transfer Other Facility | 8.1 (n = 1708) | Â | 6.3 | 0.43 (0.36, 0.53) |
Left Unseen | 25.1 (n = 2654) | Â | 15.8 | 1.19 (1.06, 1.33) |
Left Part Treatment | 33.0 (n = 716) | Â | 21.2 | 1.64 (1.36, 1.99) |
Admit | 17.6 (n = 15898) | Â | 12.8 | 0.85 (0.81, 0.90) |
Residential Care Facility | 31.8 (n = 201) | Â | 21.9 | 1.46 (1.03, 2.06) |
Return to Ward | 32.3 (n = 303) | Â | 18.4 | 1.16 (0.88, 1.53) |
Presenting Complaint | Â | Â | Â | Â |
Injury | 11.3 (n = 11841) | Â | 9.4 | Reference |
Mental Illness | 28.5 (n = 2980) | Â | 18.5 | 1.65 (1.47, 1.86) |
Drug Misuse | 36.6 (n = 1119) | Â | 14.4 | 1.20 (0.99, 1.46) |
Medical/Other | 18.6 (n = 48207) | Â | 13.6 | 1.38 (1.28, 1.48) |
ED Length of Stay (Hours) | Â | Â | Â | 1.01 (1.01, 1.02) |