In 2014, the best practice advocacy center New Zealand (bpac nz ) reported a slightly increasing trend (9.8%‐11.1% and 2.2%‐2.6% in polypharmacy and hyper‐polypharmacy, respectively) over the 5‐year period from 2009/10 to 2013/14 in the proportion of New Zealand patients having polypharmacy. 13 In 2017, the Health Quality and Safety Commission of New Zealand found that 33% of the elderly population used five or more long‐term medicines.
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A whole of population retrospective observational study on the rates of polypharmacy in New Zealand 2014 to 2018 Polypharmacy in New Zealand: What is the current status?
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There was an increasing trend in both the rates of polypharmacy and hyper‐polypharmacy as age increased (Tables 1 and 2 ).