From: Seroprevalence of Immunoglobulin G antibodies against pertussis toxin among asymptomatic medical students in the west of Iran: a cross sectional study
Parameters(total)
N
%
p-value
Sex
Male (83)
45
54
0.06
Female (80)
34
42
Age group
<19 (112)
37
33
0.09
19–21 (40)
20
51
>21 (11)
5