Fig 1.
Definition of risk periods: (a) for primary analysis; (b) split by age group; (c) additional stratification by potential confounders (here: myocardial infarction).
Table 1.
Baseline characteristics of study cohort.
Table 2.
Risk of stroke after HZ and HZO compared to control periods.
Fig 2.
Incidence rate ratios (IRRs) with 95% confidence intervals for stroke after HZ as well as for stroke after HZO in time intervals < 2 weeks, week 3–4, month 2–3, month 4–6, and month 7–12.
Table 3.
Sensitivity analyses: exclusion of fatal stroke and adjustment for time-varying confounders.
Table 4.
Distribution of time-varying confounders.