Table 2.
Type I IFN-neutralizing auto-Abs in the study population
| Characteristic | Auto-Ab + , n = 173 a | No auto-Ab, n = 490 a |
| Age (yrs) | 71.1 (14.5) | 59.6 (18.0) |
| ≤40 | 8 (9.4%) | 77 (90.6%) |
| (40–65] | 36 (14.2%) | 218 (85.8%) |
| >65 | 129 (39.8%) | 195 (60.2%) |
| Sex | ||
| F | 49 (28.3%) | 186 (38.0%) |
| M | 124 (71.7%) | 304 (62.0%) |
| WNV groups | ||
| WNVD | 156 (35.4%) | 285 (64.6%) |
| WNVF | 15 (13.9%) | 93 (86.1%) |
| WNVIC | 2 (1.8%) | 112 (98.2%) |
| Subgroups of WNVD | ||
| Non-neuroinvasive WNVD | 21 (22.6%) | 72 (77.4%) |
| Neuroinvasive WNVD | ||
| All | 135 (38.8%) | 213 (61.2%) |
| WNE | 76 (34.2%) | 146 (65.8%) |
| WNM | 41 (47.1%) | 46 (52.9%) |
| AFP | 2 (25.0%) | 6 (75.0%) |
| UNS | 16 (51.6%) | 15 (48.4%) |
WNE: WNV encephalitis; WNM: WNV meningitis; AFP: acute flaccid paralysis; UNS: unspecified neurological syndrome.
a
Mean (SD), counts or frequency (%).