Fig. 3From: Increasing incidence associated with herpes zoster infection in British Columbia, CanadaAge-Sex Standardized PHN Incidence Rate and 95Â % Confidence Interval by Year. The age-sex adjusted rate of post-herpectic neuralgia between 1997 and 2012 using two different definitions of PHN: PHN diagnosed within 90Â days post HZ diagnosis and within 30Â days post HZ diagnosisBack to article page