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Forest plot of the seroconversion rates for measles
The overall seroconversion rate estimate was obtained from a meta-analysis random-effects model with the DerSimonian-Laird estimator. I2=91·1% (95% CI 88·6–94·8). 95% CIs for the individual studies were Clopper-Pearson exact confidence limits. References for included studies are given in the appendix (pp 46–54). n=number of seropositive patients. N=total number of individuals tested.
