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Table 1 The demographic characteristics of children suffering from pertussis with different genetic makeup & erythromycin resistance status of B. pertussis

From: The global prevalence ptxP3 lineage of Bordetella pertussis was rare in young children with the co-purified aPV vaccination: a 5 years retrospective study

 

ptxP1/fhaB3-ER

ptxP3/fhaB2-ESa

ptxP1/fhaB2-ES

χ2

P

n = 403(%)

n = 21(%)

n = 9(%)

Age (Months)b

3 (2–5.5)

2 (1–3.5)

3 (2–5)

1.479c

0.225

Vaccination statusd

   

6.87

0.032

 Vaccinated

133 (33.0)

2 (9.5)

1 (11.1)

 Unvaccinated

270 (67.0)

19 (90.5)

8 (88.9)

  1. aThe ptxP3-ES with proportions of 8.93, 9.38, 6.19, 2.65 and 3.09% from 2012 to 2016 in this study
  2. bThe ages were represented as Med, x.5 (Q1, x.25- Q3, x.75)
  3. cRefers to the F value with ANOVA test between ptxP1-ER and ptxP3-ES group
  4. dThe cases of unclear vaccination status were not enrolled, what was 46 and 1 in ptxP1-ER and ptxP3-ES group each. All the vaccinated group administrated with the Co-aPV