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Table 1 Demographic characteristics of subjects

From: DTwP-HB-Hib: antibody persistence after a primary series, immune response and safety after a booster dose in children 18–24 months old

Description

Group A (N = 238)

Group B (N = 161)

Total

Gender

 Male (n)

112

69

181 (45.4%)

 Female (n)

126

92

218 (45.4%)

Age (months)

 Mean ± SD

19 ± 0.8

20 ± 0.9

20 ± 1.0

 Min-max

18–22

19–24

18–24