| Total (n = 154) | Disease classification | |
---|---|---|---|
Neuroinvasive (n = 62) | Nonneuroinvasive (n = 92) | ||
Mean age (sd), yearsa | 52 (13) | 55 (15) | 50 (12) |
Female (%) | 75 (49) | 26 (42) | 49 (53) |
Mean follow up (sd), monthsa | 11 (9) | 11 (6) | 9 (5) |
Lost to follow-up at one year (%) | 95 (62) | 32 (52) | 63 (68) |
Comorbid conditions (%): | |||
 Asthma | 14 (9) | 4 (6) | 10 (11) |
 COPDa | 4 (3) | 4 (6) | 0 (0) |
 Cancer | 17 (11) | 5 (8) | 12 (13) |
 Cardiac disease | 21 (14) | 12 (19) | 9 (10) |
 Cerebrovascular disease | 3 (2) | 2 (3) | 1 (1) |
 Diabetesa | 11 (7) | 9 (15) | 2 (2) |
 Liver diseasea | 6 (4) | 5 (8) | 1 (1) |
 Lung disease | 16 (10) | 9 (15) | 7 (8) |
 Renal disease | 7 (5) | 4 (6) | 3 (3) |
 Transplant | 5 (3) | 3 (5) | 2 (2) |
Mean number of comorbid conditions (sd)a | 0.9 (0.10) | 1.2 (0.2) | 0.7 (0.1) |
Prior hospitalizations (%) | 118 (77) | 51 (82) | 67 (73) |
Disease classification (%) | |||
 Neuroinvasive | 62 (40) | – | – |
 Encephalitis | 21 (14) | – | – |
 Meningitis | 3 (2) | – | – |
 Acute flaccid paralysis | 6 (4) | – | – |
 Meningo-encephalitis | 32 (21) | – | – |
 Nonneuroinvasive | 92 (60) | – | – |