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Table 2 Age-Sex Standardized Mean Annual Incidence Rate by Varicella Vaccine Availability Periods

From: Increasing incidence associated with herpes zoster infection in British Columbia, Canada

  Age-Sex Standardized Incidence Rate per 1000 Population (95 % Confidence Interval)
Pre-licensure (1997–1998) Privately Funded (1999–2004) Publicly Funded (2005–2012) Overall (1997–2012)
HZ 3.175
(3.134, 3.217)
3.244
(3.221, 3.267)
3.869
(3.849, 3.890)
3.575
(3.561, 3.589)
HZ with Antiviral 1.678
(1.648, 1.709)
1.926
(1.908, 1.944)
2.571
(2.554, 2.587)
2.242
(2.231, 2.254)
PHN within 90 days 0.127
(0.119, 0.135)
0.169
(0.164, 0.175)
0.271
(0.266, 0.277)
0.221
(0.217, 0.224)
PHN within 30 days 0.104
(0.097, 0.112)
0.141
(0.136, 0.146)
0.232
(0.227, 0.237)
0.187
(0.184, 0.191)