Table 4

Weighted mean HBsAg prevalence rates of health care workers and students before and after vaccination

Risk-group

%HBsAg prevalence (range)


Category

year

no.studies

N

n

Weighted mean all data

Weighted mean published data

P value

Reference


HCW

1989-1999

15

4147

191

3.34 (1.60, 8.60)

3.86 (1.90, 8.00)

0.97

[62-74] (jj-kk)


HCW

2000-2009

15

5146

137

2.29 (1.40, 5.90)

2.35 (1.40, 5.90)

0.60

[75-83] (ll-qq)


HCS

1989-1999

4

1022

39

3.31 (2.40, 8.60)

3.42 (2.60, 8.60)

0.50

[84-86] (rr)


HCS

2000-2009

3

438

8

2.08 (1.00-2.40)

2.00 (0.20, 3.70)

1.00

[87] (ss-tt)


Abbreviations: N number of subjects, n number of cases, HCW health care worker, HCS health care student

P value calculated by the two-sided Mann-Whitney test (difference in prevalence of all data and only published data).

Toy et al. BMC Infectious Diseases 2011 11:337   doi:10.1186/1471-2334-11-337

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