
Figure 1
Prisma diagram review (i).

Figure 2
Prisma diagram review (ii).
Table 1
Review (i) study characteristics.
| Goorden, M, Muntingh, A, van Marwijk, H, et al. | van der Aa, HPA, van Rens, GHMB, Bosmans, JE, Comijs, HC, van Nispen, RMA | |
|---|---|---|
| Jurisdiction | Netherlands | Netherlands |
| Publication year | 2014 | 2017 |
| Population & setting | People with panic and generalised anxiety disorders in primary care | Depression and anxiety in older adults with vision impairment |
| Study design | Trial-based economic analysis of a 2-armed cluster, randomised trial | Trial-based analysis of a multi-centre randomised controlled trial |
| Sample size | 43 primary care practices; 180 patients (n = 114, SC and n = 66 TAU) | 265 older adults (n = 131, intervention. N = 134, TAU) |
| Economic analysis | Cost utility analysis | Cost utility analysis/cost effectiveness analysis |
| Model of stepped care | Progressive | Progressive |
| Comparison | Treatment as usual | Treatment as usual |
| Perspective | Societal | Societal |
| Time horizon | 12 months | 24 months |
Table 2
Review (ii) study characteristics.
| Sinnema, H, Majo, MC, Volker, D, et al. | |
|---|---|
| Country | Netherlands |
| Publication year | 2015 (Protocol 2011) |
| Population & setting | General practitioners (including solo practices, group practices or health centres) |
| Study design | Cluster randomised controlled trial |
| Sample size | 46 GPs from 23 practices (n = 12, intervention. N = 11, control). 444 patients (n = 198, intervention. N = 246, control). |
| Economic analysis | Cost effectiveness |
| Comparison | Training and feedback pertaining to the recognition, diagnosis, stepped treatment and patient education about anxiety and depression |
| Implementation strategies | Training & feedback as per control plus interventions that were tailored to prospectively identify local barriers. To provide insight into the perceived barriers to early recognition of anxiety and depression, appropriate diagnosis, appropriate treatment allocation and patient education. |
| Perspective | Societal |
| Time horizon | 12 months |
Table 3
Adherence to CHEERS reporting guidelines.
| CHEERS Section/item | Item No | Recommendation | Goorden, M, et al. (2014) | van der Aa, HPA, et al. (2017) | Sinnema, H, et al. (2015) |
|---|---|---|---|---|---|
| Title | 1 | Identify the study as an economic evaluation or use more specific terms such as “cost-effectiveness analysis”, and describe the interventions compared. | ✓ | ✓ | ✓ |
| Abstract | 2 | Provide a structured summary of objectives, perspective, setting, methods (including study design and inputs), results (including base case and uncertainty analyses), and conclusions. | ✓ | ✓ | ✓ |
| Background and objectives | 3a | Provide an explicit statement of the broader context for the study. | ✓ | ✓ | ✓ |
| 3b | Present the study question and its relevance for health policy or practice decisions. | ✓ | Partial | Partial | |
| Target population and subgroups | 4 | Describe characteristics of the base case population and subgroups analysed, including why they were chosen. | Partial | ✓ | ✓ |
| Setting and location | 5 | State relevant aspects of the system(s) in which the decision(s) need(s) to be made. | ⨯ | ⨯ | ⨯ |
| Study perspective | 6 | Describe the perspective of the study and relate this to the costs being evaluated. | ✓ | ✓ | Partial |
| Comparators | 7 | Describe the interventions or strategies being compared and state why they were chosen. | ✓ | ✓ | ✓ |
| Time horizon | 8 | State the time horizon(s) over which costs and consequences are being evaluated and say why appropriate. | Partial | Partial | Partial |
| Discount rate | 9 | Report the choice of discount rate(s) used for costs and outcomes and say why appropriate. | NA | ⨯ | NA |
| Choice of health outcomes | 10 | Describe what outcomes were used as the measure(s) of benefit in the evaluation and their relevance for the type of analysis performed. | Partial | ✓ | Partial |
| Measurement of effectiveness | 11a | Single study-based estimates: Describe fully the design features of the single effectiveness study and why the single study was a sufficient source of clinical effectiveness data. | Partial | Partial | Partial |
| 11b | Synthesis-based estimates: Describe fully the methods used for identification of included studies and synthesis of clinical effectiveness data. | NA | NA | NA | |
| Measurement and valuation of preference based outcomes | 12 | If applicable, describe the population and methods used to elicit preferences for outcomes. | ✓ | ✓ | NA |
| Estimating resources and costs | 13a | Single study-based economic evaluation: Describe approaches used to estimate resource use associated with the alternative interventions. Describe primary or secondary research methods for valuing each resource item in terms of its unit cost. Describe any adjustments made to approximate to opportunity costs. | ✓ | ✓ | ✓ |
| 13b | Model-based economic evaluation: Describe approaches and data sources used to estimate resource use associated with model health states. Describe primary or secondary research methods for valuing each resource item in terms of its unit cost. Describe any adjustments made to approximate to opportunity costs. | NA | NA | NA | |
| Currency, price date, and conversion | 14 | Report the dates of the estimated resource quantities and unit costs. Describe methods for adjusting estimated unit costs to the year of reported costs if necessary. Describe methods for converting costs into a common currency base and the exchange rate. | Partial | Partial | Partial |
| Choice of model | 15 | Describe and give reasons for the specific type of decision-analytical model used. Providing a figure to show model structure is strongly recommended. | NA | NA | NA |
| Assumptions | 16 | Describe all structural or other assumptions underpinning the decision-analytical model. | NA | NA | NA |
| Analytical methods | 17 | Describe all analytical methods supporting the evaluation. This could include methods for dealing with skewed, missing, or censored data; extrapolation methods; methods for pooling data; approaches to validate or make adjustments (such as half cycle corrections) to a model; and methods for handling population heterogeneity and uncertainty. | Partial | ✓ | ✓ |
| Report the values, ranges, references, and, if used, probability distributions for all parameters. Report reasons or sources for distributions used to represent uncertainty where appropriate. Providing a table to show the input values is strongly recommended. | |||||
| Study parameters | 18 | For each intervention, report mean values for the main categories of estimated costs and outcomes of interest, as well as mean differences between the comparator groups. If applicable, report incremental cost-effectiveness ratios. | ⨯ | Partial | Partial |
| Incremental costs and outcomes | 19 | Single study-based economic evaluation: Describe the effects of sampling uncertainty for the estimated incremental cost and incremental effectiveness parameters, together with the impact of methodological assumptions (such as discount rate, study perspective). | Partial | ✓ | ✓ |
| Characterising uncertainty | 20a | Model-based economic evaluation: Describe the effects on the results of uncertainty for all input parameters, and uncertainty related to the structure of the model and assumptions. | Partial | Partial | Partial |
| 20b | If applicable, report differences in costs, outcomes, or cost-effectiveness that can be explained by variations between subgroups of patients with different baseline characteristics or other observed variability in effects that are not reducible by more information. | NA | NA | NA | |
| Characterising heterogeneity | 21 | Summarise key study findings and describe how they support the conclusions reached. Discuss limitations and the generalisability of the findings and how the findings fit with current knowledge. | ⨯ | Partial | Partial |
| Study findings, limitations, generalisability, and current knowledge | 22 | Describe how the study was funded and the role of the funder in the identification, design, conduct, and reporting of the analysis. Describe other non-monetary sources of support. | ✓ | ✓ | Partial |
| Source of funding | 23 | Describe any potential for conflict of interest of study contributors in accordance with journal policy. In the absence of a journal policy, we recommend authors comply with International Committee of Medical Journal Editors recommendations. | ✓ | ✓ | ✓ |
| Conflicts of interest | 24 | Identify the study as an economic evaluation or use more specific terms such as “cost-effectiveness analysis”, and describe the interventions compared. | ✓ | ✓ | ✓ |
[i] NA: Not applicable.
