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. 2020 Apr 30;34:41. doi: 10.34171/mjiri.34.41

Table 1. The quality of included studies based on Drummond checklist (Drummond 1996) .

Item no. Item Quality of included studies (Yes/No/NC/NA)
1 2 3 4 5 6
1 Was a well-defined question posed in answerable form? Yes Yes Yes Yes Yes Yes
2 Was a comprehensive description of the competing alternatives given (i.e. can you tell who did what to whom, where, and how often)? Yes Yes Yes Yes Yes Yes
3 Was the effectiveness of the programme or services established Yes Yes Yes Yes Yes Yes
4 Were all the important and relevant costs and consequences for each alternative identified Yes Yes Yes Yes Yes No
5 Were costs and consequences measured accurately inappropriate physical units (e.g. hours of nursing time, number of physician visits, lost work-days, gained life years)? Yes Yes Yes No Yes No
6 Were the cost and consequences valued credibly Yes Yes Yes NA Yes No
7 Were costs and consequences adjusted for differential timing? Yes Yes Yes No No Yes
8 Was an incremental analysis of costs and consequences of alternatives performed Yes Yes Yes No Yes Yes
9 Was allowance made for uncertainty in the estimates of costs and consequences Yes Yes Yes Yes Yes Yes
10 Did the presentation and discussion of study results include all issues of concern to users? Yes Yes Yes Yes Yes NA
Total 10 10 10 6 9 6