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. 2021 Aug 5;16(8):e0255608. doi: 10.1371/journal.pone.0255608

Fig 1. Frequency of the KIR2DS2/HLA C1 functional unit compared between patients stratified according to the severity of COVID-19 clinical manifestations [Group A (N = 120/240, 50.0%), alive in Group S (N = 50/142, 35.2%) and deceased patients in group S (N = 2/14, 14.3%)].

Fig 1

The comparison between Group A (N = 120/240, 50.0%) and the population group (N = 177/400, 44.3%) showed a similar frequency in the two groups. The error bars represent the 95% confidence intervals of the KIR2DS2/HLA C1 frequency in each group of patients and the population group.