Table 1.
Individuals vaccinated against the flu in the Friuli Venezia Giulia region by vaccination strategy and characteristics, in six consecutive flu seasons (2011/2012 to 2016/2017).
| Characteristics | Total | Vaccination Strategy | ||||||
|---|---|---|---|---|---|---|---|---|
| ConVs | MixVs | EnhVs | ||||||
| (n = 987,266) | (n = 383,286) | (n = 160,854) | (n = 443,126) | |||||
| Sex (n (%)) | ||||||||
| Male | 423,151 | (42.9) | 128,740 | (42.6) | 104,256 | (43.1) | 190,155 | (42.9) |
| Female | 564,115 | (57.1) | 173,325 | (57.4) | 137,819 | (56.9) | 252,971 | (57.1) |
| Age group (n (%)) | ||||||||
| 65–74 years old | 389,943 | (39.5) | 113,661 | (37.6) | 96,083 | (39.7) | 180,199 | (40.7) |
| 75–84 years old | 396,511 | (40.2) | 125,337 | (41.5) | 97,067 | (40.1) | 174,107 | (39.3) |
| 85+ years old | 200,812 | (20.3) | 63,067 | (20.9) | 48,925 | (20.2) | 88,820 | (20.0) |
| Days of follow-up (mean (SD)) | 118.2 | (15.3) | 116.7 | (16,1) | 118.8 | (14.6) | 119.0 | (15.0) |
| Prior pneumonia vaccination | 529,004 | (53.6) | 194,447 | (50.7) | 85,361 | (53.1) | 249,196 | (56.2) |
| Hospitalization for pneumonia | 5681 | (0.58) | 2251 | (0.75) | 1429 | (0.59) | 2001 | (0.45) |
n: Number of subjects.