Impact of the national centralized volume-based procurement policy on antihypertensive drug procurement, price, and volume in Guangxi: an interrupted time series analysis of procurement data.

Front Pharmacol · 2026 · PMC13357402 · PMID 42445249

Europe PMC DOI

hedged sentence

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closest p · 0.0× alpha

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highly significantp < 0.001actually significant

The intervention level change ( β 2 ) was negative and highly significant for all four drugs (Newey-West p < 0.001), reflecting an immediate and drastic reduction in procurement cost per DDD.

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