Table 2.
Mean costs per patient (AU $)
| Costsa | Control | Intervention | Difference (Bootstrapped 95% CI) | ||
|---|---|---|---|---|---|
| Base Case Analysis (imputed cases)b | n | Mean | n | Mean | |
| 3 month MBS costs | |||||
| GP Costs | 70 | 347 (38) | 78 | 311 (32) | −37 (− 134, 59) |
| Specialist Attendance Costs | 70 | 20 (5) | 78 | 12 | − 7 (− 19, 4) |
| Non-Specialist Attendance Costs | 70 | 251 (43) | 78 | 243 (36) | − 8 (− 122, 100) |
| Diagnostic Procedures costs | 70 | 200 (40) | 78 | 197 (31) | −4 (−111, 94) |
| Other Medical Service costsc | 70 | 396 | 78 | 253 (34) | − 143 (− 291, 2) |
| Total MBS costs | 70 | 1216 (128) | 78 | 1008 (97) | − 208 (− 529, 149) |
| 3 month PBS costs | |||||
| Total drug costs | 70 | 838 (186) | 78 | 601 (57) | − 237 (− 703, 47) |
| 3 month Inpatient (DRG) costs | |||||
| Total DRG costs | 70 | 13,882 (1390) | 78 | 13,134 (1439) | − 748 (− 4584, 3310) |
| Intervention costs | |||||
| Total intervention costs | 70 | 0 | 78 | 286 (30) | 286 (225, 352) |
| Total Costs | 70 | 15,936 (1397) | 78 | 15,029 (1430) | −907 (− 4854, 2956) |
| Sensitivity analysis (complete cases)d | |||||
| 3 month MBS costs | |||||
| GP Costs | 62 | 348 (43) | 65 | 307 (39) | −41 (− 151, 92) |
| Specialist Attendance Costs | 62 | 21 | 65 | 13 | −9 (− 20, 8) |
| Non-Specialist Attendance Costs | 62 | 247 (48) | 65 | 251 (48) | 4 (−108, 142) |
| Diagnostic Procedures costs | 62 | 200 (42) | 65 | 211 (39) | 10 (−108, 121) |
| Other Medical Service costsc | 62 | 389 (73) | 65 | 248 (47) | −141 (− 334, 5) |
| Total MBS costs | 62 | 1205 (143) | 65 | 1029 (132) | −176 (− 495, 226) |
| 3 month PBS costs | |||||
| Total drug costs | 59 | 855 (217) | 65 | 610 (65) | − 245 (− 832, 99) |
| 3 month Inpatient (DRG) costs | |||||
| Total DRG costs | 70 | 13,882 (1390) | 78 | 13,134 (1439) | −748 (−3310, 4584) |
| Intervention costs | |||||
| Total intervention costs | 70 | 0 | 78 | 286 (30) | 286 (225, 352) |
| Total Costs | 59 | 17,024 (1595) | 60 | 12,078 (917) | −4947 (−9030, −1451) |
aMBS Medicare Benefits Schedule, PBS Pharmaceutical Benefits Schedule, DRG Australian Refined Diagnosis Related Groups (AR-DRGs) cost weights used to cost hospital admissions, GP General Practioner, Total costs = MBS costs + PBS costs + DRG costs + Intervention costs
bMultiply imputed values. Multiple imputations carried out to account for up to 29 or 19% missing data on cost estimates
cExamples of other medical costs include pathology and telehealth services as well as allied-health care attendances
dAnalysis restricted to non-missing total cost estimates (119 or 81%)