Immune response, antibody persistence, and safety of a single dose of the quadrivalent meningococcal serogroups A, C, W-135, and Y tetanus toxoid conjugate vaccine in adolescents and adults: results of an open, randomised, controlled study

Table 1 Summary of participant’s demographic characteristics at the time of vaccination

Characteristic		ACWY-TT	Men-PS
		N = 374	N = 126
Age at Month 0 (years)	Mean ± SD	18.6 ± 7.62	19.3 ± 8.58
Age at Month 0 (years)	Range	11–53	11–49
Gender	Female n (%)	168 (44.9)	60 (47.6)
Gender	Male n (%)	206 (55.1)	66 (52.4)
Race	South East Asian heritage n (%)	298 (79.7)	101 (80.2)
	Arabic/North African heritage n (%)	75 (20.1)	25 (19.8)
	East Asian heritage n (%)	1 (0.3)	0 (0.0)

ACWY-TT = group of participants who received one dose of MenACWY-TT at Month 0.
Men-PS = group of participants who received one dose of the MenACWY polysaccharide vaccine at Month 0.
N = number of participants with the administered dose (Total Vaccinated Cohort).
n (%) = number (percentage) of participants with the specified characteristic.
SD = standard deviation.

ISSN: 1471-2334