Table 2.

Issues in selected studies from the Centre for Reviews and Dissemination database (n = 100)

Issues	Numbers of studies in which the issue is mentioned
Poor reporting	81
Perspective of analysis not stated	37
Price year not reported	37
Decision model not described, if relevant	21
Limited details on utility/disutility data	15
Source of cost data not provided	12
Discount rate for cost not provided	12
Limited details on source of effectiveness data	11
Limited details on disaggregated cost data	11
Sources of effectiveness data not provided	7
Not clear whether all relevant options were included	5
Details on study population not provided	5
Justification of the comparator was not provided	4
The comparator was unclear	3
Details of comparators were not provided	2
Unclear whether discounting is performed for effectiveness	2
Discount rate for effectiveness not provided	2
Details on intervention is not provided	1
Unclear whether discounting is performed for cost	1
Limited details on currency conversion	1
No specific threshold applied	78
Incremental analysis not performed	41
Sensitivity analysis not performed	31
Health measures used not appropriate	28
All relevant evidence not included	17
Discounting of cost not appropriately performed	16
Sources of effectiveness should be improved	11
Some relevant costs are omitted	7
Charges used instead of cost	4
Sources of cost data should be improved	3
Discounting of effectiveness not appropriately performed	2