Does long-term care insurance affect the length of stay in hospitals for the elderly in Korea?: a difference-in-difference method.

BMC Health Serv Res · 2014 · PMC4297445 · PMID 25528468

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a decreasing trendno p-value reported

In model (1), the first-differenced year dummies representing 2009–2008 and 2010–2009 present negative signs, and the absolute values increase from 0.03 to 0.20, which means that the LoS for the elderly shows a decreasing trend over time for both the treatment and the control groups.

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