Table 6.
Statistical modelling results, showing the odds ratio for each variable in the model together with 95% confidence intervals (all p-values < 0.001)
| Elective Admissions | Emergency Admissions | |||||
|---|---|---|---|---|---|---|
| Covariate | OR | lower CI | upper CI | OR | lower CI | upper CI |
| Male | 1.31 | 1.14 | 1.51 | 1.16 | 1.13 | 1.20 |
| Age Category 1: 40-44 years†† | 0.73 | 0.31 | 1.67 | 2.99 | 2.27 | 3.94 |
| Age Category 2: 45-49 years | 0.86 | 0.40 | 1.83 | 4.98 | 3.91 | 6.33 |
| Age Category 3: 50-54 years | 1.33 | 0.70 | 2.50 | 6.36 | 5.05 | 8.02 |
| Age Category 4: 55-59 years | 2.86 | 1.74 | 4.72 | 10.25 | 8.30 | 12.65 |
| Age Category 5: 60-64 years | 2.63 | 1.62 | 4.26 | 13.54 | 11.08 | 16.54 |
| Age Category 6: 65-69 years | 4.46 | 2.85 | 6.98 | 17.54 | 14.41 | 21.34 |
| Age Category 7: 70-74 years | 4.82 | 3.08 | 7.54 | 32.03 | 26.52 | 38.68 |
| Age Category 8 75-79 years | 7.92 | 5.15 | 12.20 | 40.43 | 33.58 | 48.68 |
| Age Category 9: 80-84 years | 10.22 | 6.59 | 15.87 | 48.95 | 40.69 | 58.88 |
| Age Category 10: 85-89 years | 13.43 | 8.43 | 21.40 | 58.35 | 48.51 | 70.20 |
| Age Category 11: 90-120 years | 21.60 | 12.38 | 37.70 | 76.88 | 63.76 | 92.70 |
| HRG withcc (vs. HRG without cc) | 3.03 | 0.91 | 10.03 | 5.39 | 4.03 | 7.23 |
| Age Category 1 and HRG withcc | 1.00 | 0.79 | 0.51 | 1.22 | ||
| Age Category 2 and HRG withcc | 2.75 | 0.54 | 13.95 | 0.47 | 0.32 | 0.71 |
| Age Category 3 and HRG withcc | 2.87 | 0.69 | 11.86 | 0.56 | 0.39 | 0.81 |
| Age Category 4 and HRG withcc | 0.87 | 0.22 | 3.46 | 0.43 | 0.30 | 0.60 |
| Age Category 5 and HRG withcc | 1.24 | 0.34 | 4.57 | 0.41 | 0.30 | 0.57 |
| Age Category 6 and HRG withcc | 0.79 | 0.22 | 2.84 | 0.36 | 0.27 | 0.50 |
| Age Category 7 and HRG withcc | 0.47 | 0.13 | 1.67 | 0.10 | 0.08 | 0.14 |
| Age Category 8 and HRG withcc | 0.33 | 0.09 | 1.15 | 0.11 | 0.08 | 0.15 |
| Age Category 9 and HRG withcc | 0.31 | 0.09 | 1.11 | 0.12 | 0.09 | 0.16 |
| Age Category 10 and HRG withcc | 0.54 | 0.15 | 1.91 | 0.13 | 0.10 | 0.18 |
| Age Category 11 and HRG withcc | 0.48 | 0.12 | 1.89 | 0.14 | 0.10 | 0.19 |
| Admission Quarter (Jul-Sep)† | 1.12 | 0.91 | 1.36 | 0.96 | 0.92 | 1.01 |
| Admission Quarter (Oct-Dec) | 1.00 | 0.81 | 1.23 | 0.93 | 0.89 | 0.97 |
| Admission Quarter (Jan-Mar) | 1.18 | 0.97 | 1.44 | 1.06 | 1.02 | 1.11 |
| Complex Elderly | 17.57 | 13.25 | 23.30 | 3.05 | 2.91 | 3.18 |
| Zero day stay | 0.08 | 0.04 | 0.16 | - | - | - |
| Weekend vs. Weekday | 1.44 | 1.16 | 1.77 | 1.09 | 1.05 | 1.13 |
† Reference category is age 16-39 years. * Reference category is Apr-Jun. Covariates terms with "and" indicate interaction terms. ! Not applicable for emergency admissions