The Effect of China's National Essential Medicine Policy on Health Expenses: Evidence From a National Study.

Inquiry · 2018 · PMC6154266 · PMID 30239238

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an overall trendno p-value reported

7 Our findings have demonstrated an overall trend of decreased medical expense by the implementation of NEMP for both OP and IP services.

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showed a trendno p-value reported

We did not include the random effects of the quadratic change in this analysis because the mean effects of such term in all 4 outcomes showed a trend of accelerated decline with negative parameter estimates for both OP expenses and OP drug costs being insignificant.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.