Table 4. Factors associated with route of readmission.
Odds ratios (ORs) presented are the odds of being admitted through the ED compared to ‘other routes’.
| COPD | HF | |||||
|---|---|---|---|---|---|---|
| N (%)a | Unadjusted ORs (95% CI) | Adjusted ORs (95% CI) |
N (%)a | Unadjusted ORs (95% CI) | Adjusted ORs (95% CI) |
|
| All admitted patients | 14486 | 12,595 | ||||
| Factors relating to the patient or the index admission | ||||||
| Age | ||||||
| <65 | 2,889 (19.9%) | 1 | 1 | 1,332 (10.6%) | 1 | 1 |
| 65–79 | 6,493 (44.8%) | 0.96 (0.87, 1.06) | 0.92 (0.83, 1.02) | 4,401 (34.9%) | 1.07 (0.94, 1.22) | 1.02 (0.90, 1.17) |
| 85+ | 5,104 (35.2%) | 1.04 (0.94, 1.15) | 0.97 (0.87, 1.08) | 6,862 (54.5%) | 1.21 (1.06, 1.37)** | 1.10 (0.96, 1.25) |
| Sex | ||||||
| Male | 7,398 (51.1%) | 1 | 1 | 6,374 (50.6%) | 1 | 1 |
| Female | 7,088 (48.9%) | 1.03 (0.95, 1.11) | 1.02 (0.94, 1.09) | 6,221 (49.4%) | 1.07 (0.99, 1.16) | 1.04 (0.96, 1.22) |
| No. of comorbidities | ||||||
| 0 | 2,675 (18.5%) | 1 | 1 | 453 (3.6%) | 1 | 1 |
| 1–3 | 8,961 (61.9%) | 1.05 (0.95, 1.16) | 1.05 (0.95, 1.16) | 7,247 (59.0%) | 1.30 (1.06, 1.59)** | 1.24 (1.01, 1.51)* |
| 4+ | 2,850 (19.7%) | 1.13 (1.00, 1.27) | 1.12 (0.99, 1.27) | 4,715 (37.4%) | 1.45 (1.18, 1.78)** | 1.37 (1.11, 1.69)** |
| Living Alone | ||||||
| No | 12,695 (87.6%) | 1 | 1 | 10,972 (87.1%) | 1 | 1 |
| Yes | 1,791 (12.4%) | 1.36 (1.20, 1.53)*** | 1.29 (1.15, 1.46)*** | 1,623 (12.1%) | 1.31 (1.16, 1.48)*** | 1.24 (1.10, 1.40)*** |
|
Index LOS (number of nights) |
||||||
| 0 | 1,413 (9.8%) | 1 | 1 | 770 (6.1%) | 1 | 1 |
| 1–2 | 3,151 (21.8%) | 1.24 (1.08, 1.42)*** | 1.23 (1.07, 1.41)*** | 1,841 (14.6%) | 1.33 (1.11, 1.59)*** | 1.30 (1.08, 1.55)*** |
| 3+ | 9,922 (68.5%) | 1.31 (1.16, 1.48)*** | 1.31 (1.15, 1.48)*** | 9,984 (7.3%) | 1.46 (1.25, 1.70)*** | 1.39 (1.19, 1.63)*** |
| Factors relating to period after discharge: | ||||||
| Any OPD appt within 14 days of index discharge | ||||||
| No | 12,824 (88.5%) | 1 | 1 | 8,820 (70.0%) | 1 | 1 |
| Yes | 1,662 (11.5%) | 0.68 (0.61, 0.76)*** | 0.70 (0.63, 0.79)*** | 3,775 (30.0%) | 0.81 (0.75, 0.88)*** | 0.83 (0.76, 0.90)*** |
| Factors related to the admission | ||||||
| Readmission LOS (number of nights) | ||||||
| 0 | 1,326 (9.2%) | 1 | 1 | 1,077 (8.6%) | 1 | 1 |
| 1–2 | 2,802 (19.4%) | 1.31 (1.13, 1.51)** | 1.28 (1.10,1.48)** | 2,194 (17.5%) | 0.96 (0.83, 1.10) | 1.06 (0.90, 1.25) |
| 3+ | 10,292 (71.4%) | 1.19 (1.05, 1.35)** | 1.13 (1.00, 1.29)** | 9,273 (73.9%) | 1.09 (0.92, 1.28) | 0.94 (0.82, 1.08) |
| Readmission was for index condition | ||||||
| No | 8,764 (60.4%) | 1 | 1 | 8,946 (71.0%) | 1 | 1 |
| Yes | 5,740 (39.6%) | 1.00 (0.93, 1.08) | 1.02 (0.95, 1.10) | 3,649 (29.0%) | 0.79 (0.73, 0.86)*** | 0.82 (0.76, 0.90)*** |
aThe total number of patients admitted and percentage of those admitted.
*p<0.05
**p<0.01
***p<0.001