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Table 5 Overall Incidence of herpes zoster (per 1000 person-years) and estimated hazard ratios according to sciatica status using Cox method by propensity score matching

From: Herpes zoster in patients with sciatica

  Sciatica
No Yes
Variable (N = 27,097) (N = 27,097)
Herpes zoster.
Person-years 203,946 208,742
Follow-up time (y), Mean ± SD 7.53 ± 3.87 7.70 ± 3.84
 Event, n 1813 2239
 Ratea 8.89 10.7
 Crude HR (95% CI) 1(Reference) 1.21 (1.13, 1.28)***
 Adjusted HRb (95% CI) 1(Reference) 1.19 (1.12, 1.27)***
  1. Ratea, incidence rate, per 1000 person-years; Crude HR, relative hazard ratio; Adjusted HRb: multivariable analysis including age, sex, and comorbidities of diabetes, and CAD;
  2. ***p < 0.001