Figure 5.

Structural sensitivity analysis: impact of duration of stable vaccine efficacy (VE), annual waning of immunity and age at vaccination on cost per QALY gained. QALY, quality adjusted life-year; SP, societal perspective. NOTE: Hatched bars represent base-case analyses.

Ultsch et al. BMC Health Services Research 2013 13:359   doi:10.1186/1472-6963-13-359
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