Out-of-pocket expenditure for hypertension care: a population-based study in low-income urban Medellin, Colombia.

Glob Health Action · 2020 · PMC7480425 · PMID 32867605

Europe PMC DOI

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closest p

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a clear trendno p-value reported

Within each insurance scheme, the differences across the socioeconomic quintiles were usually rather minor and they rarely showed a clear trend.

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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.