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. 2021 Oct 28;16:1917–1929. doi: 10.2147/CIA.S335315

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© 2021 Lv et al.

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Kaplan–Meier estimates of 28-day overall survival. Panel (A), analysis with CURB65 system, cutoff = 3; Panel (B), analysis with MEWS system, cutoff = 4; Panel (C), analysis with NEWS system, cutoff = 5; Panel (D), analysis with qSOFA system, cutoff = 1.