Demographic and clinical characteristics of the study population in the three WNV clinical groups and the two subgroups of WNVD
| Characteristic . | WNVIC n = 114a . | WNVF n = 108a . | WNVD n = 441a . | Subgroups of WNVD . | |
|---|---|---|---|---|---|
| Non-neuroinvasive WNVD n = 93a | Neuroinvasive WNVD n = 348a | ||||
| Age (yrs) | 50.5 (12.0) | 55.4 (20.1) | 67.5 (16.5) | 60.7 (18.5) | 69.3 (15.4) |
| Sex | |||||
| F | 27 (23.7%) | 53 (49.1%) | 155 (35.1%) | 39 (41.9%) | 116 (33.3%) |
| M | 87 (76.3%) | 55 (50.9%) | 286 (64.9%) | 54 (58.1%) | 232 (66.7%) |
| Mortality | 0/114 | 0/108 | 25/400 (6.3%) | 0/86 | 25/314 (8.0%) |
| Unknown | 0 | 0 | 41 | 7 | 34 |
| Recruitment center | |||||
| Italy (PV) | 23 (20.2%) | 9 (8.3%) | 70 (15.9%) | 9 (9.7%) | 61 (17.5%) |
| Italy (PD) | 59 (51.7%) | 77 (71.3%) | 196 (44.4%) | 71 (76.3%) | 125 (35.9%) |
| Italy (BO) | 4 (3.5%) | 1 (0.9%) | 47 (10.7%) | 5 (5.4%) | 42 (12.1%) |
| Italy (TO) | 10 (8.8%) | 6 (5.6%) | 40 (9.1%) | 2 (2.1%) | 38 (10.9%) |
| USA | 18 (15.8%) | 0 (0.0%) | 57 (12.9%) | 0 (0.0%) | 57 (16.4%) |
| Hungary | 0 (0.0%) | 15 (13.9%) | 31 (7.0%) | 6 (6.5%) | 25 (7.2%) |
| Year of recruitment | |||||
| Before 2018 | 14 (12.3%) | 0 (0.0%) | 57 (12.9%) | 0 (0.0%) | 57 (16.4%) |
| 2018–2019 | 45 (39.5%) | 62 (57.4%) | 169 (38.3%) | 60 (64.5%) | 109 (31.3%) |
| 2022 | 55 (48.2%) | 46 (42.6%) | 215 (48.8%) | 33 (35.5%) | 182 (52.3%) |
| Characteristic . | WNVIC n = 114a . | WNVF n = 108a . | WNVD n = 441a . | Subgroups of WNVD . | |
|---|---|---|---|---|---|
| Non-neuroinvasive WNVD n = 93a | Neuroinvasive WNVD n = 348a | ||||
| Age (yrs) | 50.5 (12.0) | 55.4 (20.1) | 67.5 (16.5) | 60.7 (18.5) | 69.3 (15.4) |
| Sex | |||||
| F | 27 (23.7%) | 53 (49.1%) | 155 (35.1%) | 39 (41.9%) | 116 (33.3%) |
| M | 87 (76.3%) | 55 (50.9%) | 286 (64.9%) | 54 (58.1%) | 232 (66.7%) |
| Mortality | 0/114 | 0/108 | 25/400 (6.3%) | 0/86 | 25/314 (8.0%) |
| Unknown | 0 | 0 | 41 | 7 | 34 |
| Recruitment center | |||||
| Italy (PV) | 23 (20.2%) | 9 (8.3%) | 70 (15.9%) | 9 (9.7%) | 61 (17.5%) |
| Italy (PD) | 59 (51.7%) | 77 (71.3%) | 196 (44.4%) | 71 (76.3%) | 125 (35.9%) |
| Italy (BO) | 4 (3.5%) | 1 (0.9%) | 47 (10.7%) | 5 (5.4%) | 42 (12.1%) |
| Italy (TO) | 10 (8.8%) | 6 (5.6%) | 40 (9.1%) | 2 (2.1%) | 38 (10.9%) |
| USA | 18 (15.8%) | 0 (0.0%) | 57 (12.9%) | 0 (0.0%) | 57 (16.4%) |
| Hungary | 0 (0.0%) | 15 (13.9%) | 31 (7.0%) | 6 (6.5%) | 25 (7.2%) |
| Year of recruitment | |||||
| Before 2018 | 14 (12.3%) | 0 (0.0%) | 57 (12.9%) | 0 (0.0%) | 57 (16.4%) |
| 2018–2019 | 45 (39.5%) | 62 (57.4%) | 169 (38.3%) | 60 (64.5%) | 109 (31.3%) |
| 2022 | 55 (48.2%) | 46 (42.6%) | 215 (48.8%) | 33 (35.5%) | 182 (52.3%) |
PV: Pavia; PD: Padova; BO: Bologna; TO: Torino.
Mean (SD); or counts (frequency, %).