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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Survival in ALS patients in G20 and G18 groups for the first year of disease. G20: ALS patients with diagnosis in 2020; G18: ALS patients with diagnosis in 2018. Survival means death or tracheostomy. Chi-square test: 6.03, p-value = 0.01.