From: Immunogenicity and safety of COVID-19 BNT162b2 booster vaccine in end-stage kidney disease patients receiving haemodialysis in Yogyakarta, Indonesia: a cohort prospective study
Characteristics
N
%
Sex, n (%)
 Male
20
52.6
 Female
18
47.4
Age, years
 Median (Q1-Q3)
49 (40–53.25)
 Min–max
28–60
Previous COVID-19 infection
 Before the primary vaccine
4
12.5
 After the primary vaccine