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Table 4 Relative total difference of impact extrapolation (IE) to model estimates for deaths averted over 2000–2017 (%) by year of vaccination (YoV) and year of birth (YoB) due to vaccination activities for hepatitis B (HepB) in Country A, measles in Country B and yellow fever (YF) in Country C

From: How can the public health impact of vaccination be estimated?

Disease and deaths averted by YoV/YoB

No stratification

Activity type stratification

Birth cohort stratification

Activity type and birth cohort stratification

HepB- YoV

-0.86

7.24

0.40

0.30

HepB- YoB

-4.12

-0.35

0.40

0.04

Measles- YoV

-8.90

-0.76

-0.02

-0.81

Measles- YoB

-0.51

-4.04

-4.34

-4.10

YF- YoV

-12.16

-0.84

-8.80

-0.67

YF- YoB

-10.37

-7.41

-8.62

-4.66

  1. Impact estimated by the year of vaccination stratification methods as shown in Figs. 2-3. Negative numbers correspond to the IE underestimating and positive numbers correspond to the IE overestimating the number of deaths averted over 2000–2017