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. 2017 Jan 28;4(1):ofx007. doi: 10.1093/ofid/ofx007

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© The Author 2017. Published by Oxford University Press on behalf of Infectious Diseases Society of America.

This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs licence (http://creativecommons.org/licenses/by-nc-nd/4.0/), which permits non-commercial reproduction and distribution of the work, in any medium, provided the original work is not altered or transformed in any way, and that the work is properly cited. For commercial re-use, please contact journals.permissions@oup.com

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Figure 2. — The age-dependent herpes zoster (HZ) incidences per 1000 person-years and HZ-naive and HZ-experienced population in Miyazaki Prefecture and the population of Miyazaki Prefecture was used as the denominator. (A) The age-dependent incidences per 1000 person-years of the total, male, and female patients are shown by black, blue, and red lines, respectively, and the incidence (per 1000 person-years) of HZ (solid line) and HZ recurrence ([Rec] dashed line) increased at age 50 years and older, with female patients being more affected than male patients in that age group. (B) Herpes zoster-naive and HZ-experienced populations are shown as open and closed columns, respectively. For each age group, the proportion (%) of HZ-naive population is indicated below the age group. The ratio of HZ-experienced persons increased with age, and the HZ-experienced population exceeded one third before the age of 80 years. (C) The age-dependent incidences of initial HZ in the HZ-naive population and recurrent HZ in the HZ-experienced population are shown as solid and dashed lines, respectively. The incidence of recurrent HZ was low but showed a small peak at the age of 60–69 years, with 2.31 per 1000 person-years. The incidence of initial HZ increased with age up to 11.5 per 1000 person-years at the age of 80–89 years.