Table 4.
Sensitivity analysis: comparing costs of hospital care, dependency adjusted costs and average costs, with costs of hospital at home care after reducing lengths of stay by one or two days
| Hip replacement HaH (n=36) v hospital (n=49) | Knee replacement HaH (n=46) v hospital (n=39) | Hysterectomy HaH (n=111) v hospital (n=123) | Elderly medical HaH (n=50) v hospital (n=44) | Chronic obstructive airways disease HaH (n=15) v hospital (n=17) | |
|---|---|---|---|---|---|
| Trial results: difference in total healthcare costs using dependency adjusted hospital costs | |||||
| Difference in cost (£) | Mean 95.68 | Mean 86.26 | Mean 92.40 | Median 316.56 | Median 1132.03 |
| Ratio of geometric mean (95% CI) | 1.05 (0.87 to 1.27) | 1.05 (0.88 to 1.26) | 1.15 (1.04 to 1.29) | — | — |
| P value | 0.59 | 0.55 | 0.009 | 0.09 | 0.01 |
| Sensitivity analysis: difference in total healthcare costs using average hospital costs | |||||
| Difference in cost (£) | Mean −36.80 | Mean 35.23 | Mean 60.85 | Median 518.35 | Median 741.36 |
| Ratio of geometric mean (95% CI) | 0.89 (0.73 to 1.09) | 1.004 (0.82 to 1.22) | 1.06 (0.98 to 1.23) | — | — |
| P value | 0.27 | 0.96 | 0.10 | 0.05 | 0.02 |
| Sensitivity analysis: length of stay in hospital at home care reduced by 1 day | |||||
| Difference in cost (£) | Mean 58.32 | Mean −8.01 | Mean −21.75 | Median 227.25 | Median 840.26 |
| Ratio of geometric mean (95% CI) | 1.02 (0.84 to 1.23) | 1.002 (0.84 to 1.19) | 0.99 (0.90 to 1.11) | — | — |
| P value | 0.87 | 0.99 | 0.99 | 0.17 | 0.04 |
| Sensitivity analysis: length of stay in hospital at home care reduced by 2 days | |||||
| Difference in cost (£) | Mean 10.61 | Mean −49.10 | Mean −80.48 | Median 103.37 | Median 757.23 |
| Ratio of geometric mean (95% CI) | 0.95 (0.78 to 1.15) | 0.96 (0.81 to 1.15) | 0.88 (0.78 to 0.99) | — | — |
| P value | 0.59 | 0.68 | 0.03 | 0.38 | 0.06 |
HaH=hospital at home.