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Fig. 3 | BMC Infectious Diseases

Fig. 3

From: Sex-based clinical and immunological differences in COVID-19

Fig. 3

The dynamic changes of antibodies against SARS-CoV-2. The x-axis displays the weeks after symptom onset. The numbers below the figure represent the number of tests of females and males. The y-axis displays the level of IgG level. The red line based on the median is used to profile the females’ variation tendency, and the blue line based on the median is used to profile the males’ variation tendency. The significance is calculated by the Wilcoxon rank-sum test. The number of patient tests per week after symptom onset is shown in the graph. *, P < 0.05; **, P < 0.01; ***, P < 0.001

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