Table 4.
Vaccine type | Pooled VEa (%) | 95%CI | Number of VE estimates | p-value for heterogeneity | |
---|---|---|---|---|---|
Any influenza | |||||
2009–10 | pandemic | 72 | 22;100 | 3 | 0,286 |
2010–11 | seasonal | 43 | 34;52 | 6 | 0,613 |
2011–12 | seasonal | 31 | 12;49 | 5 | 0,143 |
2012–13 | seasonal | 39 | 29;48 | 4 | 0,824 |
2013–14 | seasonal | 53 | 45;61 | 6 | 0,704 |
2014–15 | seasonal | 31 | 15;47 | 9 | 0,003 |
And 95% confidence interval in parentheses.