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Table 2 The demographic characteristics of neonates from Shunyi and mean concentration of anti-Dtx, anti-Ttx and anti-Ptx IgG

From: The maternal antibody against diphtheria, tetanus and pertussis showed distinct regional difference in China

Group

N

Mean (95%CI) (IU/ml)

Anti-Dtx

Anti-Ttx

Anti-Ptx

Sex

 Female

95

0.11 (0.08–0.14)

0.14 (0.08–0.20)

5.47 (4.14–6.79)

 Male

105

0.13 (0.08–0.18)

0.22 (0.11–0.33)

7.08(5.42–8.74)

P

 

0.4907

0.2415

0.1386

Birth

 Term infant

154

0.13 (0.10–0.17)

0.21(0.12–0.29)

6.22 (5.01–7.44)

 Premature infant

46

0.08 (0.05–0.11)

0.12 (0.07–0.17)

6.62 (4.27–8.96)

P

 

0.1106

0.2962

0.7608

Delivery mode

 Spontaneous labor

114

0.12 (0.09–0.15)

0.20 (0.10–0.31)

5.92 (4.65–7.18)

 Cesarean delivery

86

0.12 (0.07–0.17)

0.15 (0.10–0.21)

6.84 (4.98–8.71)

P

 

0.8609

0.4333

0.3770

Total

200

0.12 (0.09–0.15)

0.18 (0.12–0.25)

6.31 (5.24–7.38)