Table 2.
Characteristics of studies stratified by type of analysis performed.
| Source | Study design | Total recruited | Population | Intervention | Lower cost | Cost-effective |
|---|---|---|---|---|---|---|
| Cost analysis | ||||||
| Beaupre et al. (31) | RCT* | 131 | Knee arthroplasty 40–75 years old | Physiotherapy, Education | Control | |
| Mcgregor et al. (32) | RCT* | 35 | Knee arthroplasty | Education | Intervention | |
| Barberan-Garcia et al. (33) | RCT* | 125 | Major abdominal surgery >70 years old ASA 3 or 4 DASI<46 | Physiotherapy, Education | Intervention | |
| Smedley et al. 2004 (34) | RCT* | 152 | Major abdominal surgery | Nutrition | Intervention | |
| Robinson et al. (37) | Retrospective | 462 | Thoracic neoplasm resection | Nutrition | Intervention | |
| Braga et al. (40) | RCT | 92 | Major abdominal surgery | Nutrition | Intervention^ | |
| Ploussard et al. (41) | RCT | 507 | Robotic Radical Prostatectomy | Physiotherapy, Education, Nutrition | Intervention | |
| Cost-effectiveness analysis/Cost-utility analysis | ||||||
| Boden et al. (35) | RCT | 441 | Major abdominal surgery | Education | Intervention^ | Intervention |
| Rolving et al. (43) | RCT* | 90 | Lumbar spine surgery (max 3 levels) 18–64 years old | Education | Intervention^ | Intervention |
| Partridge et al. (38) | RCT* | 209 | Major vascular surgery >65 years old | Medical optimization | Intervention^ | Intervention |
| Furze et al. (39) | RCT* | 204 | Coronary artery bypass graft | Education | Control | Intervention |
| Leeds et al. (42) | Decision tree model | 10,000 simulated | Colon cancer surgery | Medical optimisation | Intervention^ | Intervention |
Lower cost represents the group where the cost analysis was lower; cost-effective represents the group that the cost-effectiveness analysis favors. *Studies that received national funding. ^Studies where cost analysis was the primary outcome. RCT, Randomized controlled trial; N, Nutrition; P, Physiotherapy; E, Education; M, Medical Optimization.