. 2021 Sep 22;100(11):2805–2812. doi: 10.1007/s00277-021-04662-1

Table 5.

COVID-19 antibody titers and outcomes

	COVID-19 antibody titer^a
	Low (1:80)	Moderate (1:320)	High (≥ 1:960)
Hospitalization, n (%)	0 (0%)	2 (13.3%)	5 (33.3%)
ICU stay, n (%)^b	0 (0%)	1 (6.7%)	1 (6.7%)
Death, n (%)	0 (0%)	0 (0%)	0 (0%)
No hospitalization, ICU stay or death, n (%)	1 (6.7%)	1 (6.7%)	6 (40.0%)
Total, n (%)	1 (6.7%)	3 (20.0%)	11 (73.3%)

^aAll percentages in Table 5 are given as percentage of patients with antibodies detected on the COVID-19 antibody assay (n = 15)

^bIndividuals who required admission to the ICU were also, by definition, hospitalized