Table 5.
Resource Use and Costs for Admissions (Those Receiving Level 3 Intensive Care in the First 24 Hours following Admission and Subsequently Receiving Level 2 High-Dependency Care) to Primary Critical Care Units with Integrated or Dual-High Dependency Care Stratified by Tertile of Proportion of Discharges for High-Dependency Care to the Geographically Separate Unit
| Comparison with Admissions to Primary Critical Care Units with Integrated HDC |
|||||||
|---|---|---|---|---|---|---|---|
| Tertile 1 (1.0–39.9%) |
Tertile 2 (40.0–63.6%) |
Tertile 3 (63.7–99.0%) |
P Value (Test for Differences between Tertiles)* | ||||
| Adjusted Relative Difference (95% CI) | P Value | Adjusted Relative Difference (95% CI) | P Value | Adjusted Relative Difference (95% CI) | P Value (for Comparison with Integrated HDC) | ||
| Total duration of critical care, d | 0.95 (0.86 to 1.04) | 0.27 | 1.12 (1.02 to 1.23) | 0.02 | 1.18 (1.09 to 1.28) | <0.001 | <0.001 |
| Total acute hospital length of stay, d | 0.93 (0.84 to 1.02) | 0.11 | 1.08 (0.99 to 1.18) | 0.096 | 1.03 (0.95 to 1.11) | 0.51 | 0.05 |
| Adjusted Mean Difference | P Value | Adjusted Mean Difference | P Value | Adjusted Mean Difference | P Value | ||
|---|---|---|---|---|---|---|---|
| Total costs of critical care, pounds sterling† | −1,135 (−2,516 to 245) | 0.11 | 889 (−492 to 2,271) | 0.21 | 1,085 (−89 to 2,260) | 0.07 | 0.03 |
| All Survivors of Primary Critical Care Unit | Adjusted OR | P Value | Adjusted OR | P Value | Adjusted OR | P Value | |
|---|---|---|---|---|---|---|---|
| Discharges at night (0:00 to 4:59) | 1.54 (0.99 to 2.38) | 0.054 | 2.59 (1.73 to 3.89) | <0.001 | 2.55 (1.81 to 3.61) | <0.001 | 0.12 |
| Discharges at night (22:00 to 06:59) | 1.45 (0.98 to 2.15) | 0.060 | 2.29 (1.58 to 3.31) | <0.001 | 2.35 (1.71 to 3.22) | <0.001 | 0.11 |
| Readmissions to the primary critical care unit, % | 1.11 (0.89 to 1.38) | 0.36 | 1.16 (0.95 to 1.43) | 0.15 | 1.32 (1.12 to 15.6) | 0.001 | 0.36 |
| Delayed discharge from primary critical care unit | 1.02 (0.40 to 2.60) | 0.96 | 0.45 (0.18 to 1.12) | 0.09 | 0.35 (0.16 to 0.76) | 0.008 | 0.18 |
Definition of abbreviations: CI = confidence interval; HDC = high-dependency care; OR = odds ratio.
*
Wald test for linear outcomes, likelihood ratio test for binary outcomes.
†
Level 3 intensive care and Level 2 HDC days in primary and separate units, where relevant.