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Association between mortality and change in IgG titer using Repeated-measure ANOVA. There is no significant association of IgG titer with outcome (Eta squared = 0.009, p = 0.667) or time*outcome (Eta squared = 0.022, p = 0.502). However, the effect of time was significant showing significant increase in IgG titers between the first and second testing in both recovered and deceased patients.
