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Table 1 Main data about pediatric population enrolled to receiving vaccination against A/H1N1 pandemic flu in the health district of Piacenza

From: Immunization against A/H1N1 pandemic flu (2009–2010) in pediatric patients at risk. What might be the most effective strategy? The experience of an health district of Northern Italy

 

Patients

At risk(%)

Vaccinated (%)

Primary Care Pediatricians

Total

27018

2361 (8.7)

653

27.7

30

group A

16877

1510 (8.9)

344*

(22.8)

19

group B

3694

502 (13.6)

222

(44.2)

4

group C

6447

349 (5.4)

87 **

(24.9)

7

  1. *group B vs group A : χ2 85,63 p < 0.0000001 ; O.R. 2,69 (2,16-3,34).
  2. ** group B vs. group C : χ2 33,1 p < 0.000001 ; O.R. 2,39 (1,75-3,26).