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For each article, a quality score was accumulated by assigning 1 point to each fulfilled QUADAS item, 0.5 to unclear items and 0 to unmet items.
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Participants were asked to identify their needs during the last year in a list of 12 yes/no unmet needs items (table 1).
Open image in new window Fig. 1 Graphical representation of first scenario of inventory model when t 1 < t 2. Item 2 depletes before item 1, i.e. if at time t 2 the inventory of item 2 is out of stock, as depicted in Fig. 2, then item 1 partially substitutes the item 2 with substitution rate α 2. A portion of unmet demand for item 2 is assumed to be lost with the rate of (1 − α 2).
There are three possibilities cases, Item 1 depletes before item 2, i.e. if at time t 1 the inventory of item 1 is out of stock, as depicted in Fig. 1, then item 2 partially substitutes the item 1 with substitution rate α 1 and a portion of unmet demand for item 1 is assumed to be lost with the rate of (1 − α 1).
A portion of unmet demand for both items is assumed to be lost and each substituted item incurs a cost of substitution.
Measuring unmet need using single items is likely insufficient since more detail in a revised set of questions could begin to clarify whether the reporting of an unmet need was based on an expectation or a clinical need.
Only the Food, Psychological distress and Safety to others items remained unmet for greater proportions of the sample.
First, measuring unmet healthcare needs using single items is likely insufficient since more detail in a revised set of questions could begin to clarify whether the reporting of an unmet need was based on an expectation or a clinical need.
Of concern, however, is that two of the above items were considered unmet for a majority of participants in Psychological distress and Safety to others.
There remains a paucity of work that examines the conceptual, operational, or psychometric equivalence of items currently measuring unmet health needs in languages other than English.
This is a possibility, with almost a quarter (21%) of Australian and Canadian haematological cancer survivors reporting no unmet needs on all 89 items of the SUNS in a previous study conducted by the authors [ 29].
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com