Epidemiology of Emergency Department Visits Before, During, and After the COVID-19 Pandemic: Experience From a Referral Center in Southeastern Brazil.

Cureus · 2026 · PMC12869811 · PMID 41647926

Europe PMC DOI

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did not reach statistical significanceno p-value reported

As shown in Figure 2 , the nadir for this group represented a 60.8% reduction compared with the pre-pandemic average, although this difference did not reach statistical significance (Apr/20 = 1,891; mean = 4,830).

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a positive trendno p-value reported

Neurology The software identified only one slope from January 2018 to December 2024, which had a positive trend and was statistically significant (p < 0.01).

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a negative trendno p-value reported

Slope 2 (Jan/20-Apr/20) demonstrated a negative trend, and its trough is 60.8% lower (Apr/20 = 1,891) than the pre-pandemic mean number of visits (4,830).

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