Table 11 Assessment results based on the Drummond Checklist
From: Impact assessment of Iran’s health technology assessment programme
No. | Drummond’s questions | The number of reports that had taken this step |
|---|---|---|
1 | The research question is stated | 9 (69.2%) |
2 | The economic importance of the research question is stated | 5 (38.5%) |
3 | The viewpoint(s) of the analysis are clearly stated and justified | 7 (53.8%) |
4 | The rationale for choosing alternative programmes or interventions compared is stated | 8 (61.5%) |
5 | The alternatives being compared are clearly described | 8 (61.5%) |
6 | The form of economic evaluation used is stated | 13 (100.0%) |
7 | The choice of form of economic evaluation is justified in relation to the questions addressed | 10 (76.9%) |
8 | The source(s) of effectiveness estimates used are stated | 13 (100.0%) |
9 | Details of the design and results of effectiveness study are given (if based on a single study) | 2 (15.4%) |
10 | Details of the methods of synthesis or meta-analysis of estimates are given (if based on a synthesis of a number of effectiveness studies) | 4 (30.8%) |
11 | The primary outcome measure(s) for the economic evaluation are clearly stated | 13 (100.0%) |
12 | Methods to value benefits are stated | 0 |
13 | Details of the subjects from whom valuations were obtained were given | 0 |
14 | Productivity changes (if included) are reported separately | 0 |
15 | The relevance of productivity changes to the study question is discussed | 0 |
16 | Quantities of resource use are reported separately from their unit costs | 13 (100.0%) |
17 | Methods for the estimation of quantities and unit costs are described | 11 (84.6%) |
18 | Currency and price data are recorded | 12 (92.3%) |
19 | Details of currency of price adjustments for inflation or currency conversion are given | 6 (46.5%) |
20 | Details of any model used are given | 12 (92.3%) |
21 | The choice of model used and the key parameters on which it is based are justified | 7 (53.8%) |
22 | Time horizon of costs and benefits is stated | 4 (30.8%) |
23 | The discount rate(s) is stated | 4 (30.8%) |
24 | The choice of discount rate(s) is justified | 2 (15.4%) |
25 | An explanation is given if costs and benefits are not discounted | 3 (23.08%) |
26 | Details of statistical tests and confidence intervals are given for stochastic data | 2 (15.7%) |
27 | The approach to sensitivity analysis is given | 6 (46.1%) |
28 | The choice of variables for sensitivity analysis is justified | 5 (38.5%) |
29 | The ranges over which the variables are varied are justified | 3 (23.1%) |
30 | Relevant alternatives are compared | 9 (69.2%) |
31 | Incremental analysis is reported | 9 (69.2%) |
32 | Major outcomes are presented in a disaggregated as well as aggregated form | 6 (46.1%) |
33 | The answer to the study question is given | 13 (100.0%) |
34 | Conclusions follow from the data reported | 13 (100.0%) |
35 | Conclusions are accompanied by the appropriate caveats | 10 (76.9%) |