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Demographic characteristics of the participants in the study at the time of the initial vaccination.
| Characteristic | Category/parameter | HZ/su group (n = 70) |
|---|---|---|
| Age at first dose of initial vaccination (years) | Mean (SD)Range | 72.3 (4.3)61–81 |
| Age category, n (%) | 60–69 years≥70 years | 13 (18.6)57 (81.4) |
| Sex, n (%) | FemaleMale | 43 (61.4)27 (38.6) |
| Ethnicity, n (%) | White-Caucasian | 70 (100) |
