Prevalence of posttraumatic stress disorder after infectious disease pandemics in the twenty-first century, including COVID-19: a meta-analysis and systematic review.

Mol Psychiatry · 2021 · PMC7861006 · PMID 33542468

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an increasing trendno p-value reported

We observed that the pooled prevalence of PTSD within 6 months and after 6 months was both stable at a high level (about 20%), though there was an increasing trend of the post-pandemic prevalence of PTSD among patients (≤6 months: 19%; >6 months: 29%).

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