Incidence of Herpes Zoster Ophthalmicus: Results from the Pacific Ocular Inflammation Study
Purpose:
To provide a population-based estimate of the incidence of herpes zoster ophthalmicus (HZO) with comparisons across racial, sex, and age groups, as well as to estimate the frequency of postherpetic neuralgia (PHN).
Design:
Retrospective, population-based cohort study.
Participants:
All patients enrolled in the Kaiser Permanente Hawaii health plan during the study period (N = 217 061).
Methods:
All patient encounters between January 1, 2006, and December 31, 2007, in the electronic medical record of Kaiser Permanente Hawaii were queried for International Classification of Diseases, 9th edition (ICD-9) codes corresponding (Read more...)