Figure 4 | Scientific Reports

Figure 4

From: Low SARS-CoV-2 antibody titers may be associated with poor clinical outcomes for patients with severe COVID-19

Figure 4

Kaplan–Meier curve on day 12. Kaplan–Meier curves were drawn for antibody-positive and negative cases 12 days after onset with survival as the outcome. IgM/IgG measured values above the cutoff values in Table 2 (IgM ≥ 0.11, IgG ≥ 0.58) were defined as antibody-positive, and those below the cutoff values were defined as antibody-negative. For both, IgM and IgG, the antibody-positive group showed significant differences in survival.

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