Characteristics and causal paths of refined oil depot accidents in China: A statistical and network-based analysis.

PLoS One · 2026 · PMC13390956 · PMID 42485425

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a decreasing trendno p-value reported

According to Fig 15 , during the period 1974–1983, the frequency of refined oil depot accidents caused by human factors was the highest, and the number of accidents caused by each cause has shown a decreasing trend in recent years.

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an increasing trendno p-value reported

The proportion of accidents caused by physical factors showed an increasing trend, environmental factors continued to remain relatively low and showed a flat trend, and human and management factors showed a decreasing 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.