Table 1.
Mean (standard deviation) demographic, comorbidity/medical, and neurocognitive/functional characteristics of patients with West Nile virus infection.
| Variable | WNE (N = 31) | WNM (n = 16) | WNF (n = 37) |
|---|---|---|---|
| Demographic Characteristics | |||
| Age (years) | 60.7 (18.8) | 54.7 (11.3) | 52.1 (14.5) |
| Education (years) | 13.5 (2.8) | 14.3 (2.0) | 14.8 (2.4) |
| WASI Estimated IQ1 | 102.5 (17.5) | 101.6 (17.0) | 102.9 (16.2) |
| Gender (% men) | 58.1 | 50.0 | 48.7 |
| Ethnicity (% Caucasian) | 80.7 | 68.8 | 91.9 |
| Comorbidity/Medical Characteristics | |||
| Beck Depression Inventory (of 63) | 9.7 (8.5) | 12.4 (13.2) | 9.8 (10.0) |
| Depression elevated2 (%) | 22.6 | 37.5 | 24.3 |
| Neurocognitive/Functional Characteristics | |||
| RBANS3 Total Standard Score | 90.7 (16.1) | 96.9 (24.7) | 99.1 (15.7) |
| Intra-individual Covariance4 | 0.15 (.07) | 0.13 (.06) | .12 (.05) |
| Immediate Memory5 | 85 (78,100) | 87.5 (70, 120.2) | 97 (85, 103) |
| Visuospatial/Constructional5 | 100 (84,109) | 110.5 (97, 126) | 112 (94, 118.5) |
| Language5 | 95 (88, 101) | 90.5 (89.3, 109.5) | 97 (90.5, 104.5) |
| Attention5 | 100 (88, 118) | 97 (77.5, 115) | 103 (95.5, 118) |
| Delayed Memory5 | 95 (81, 101) | 97 (77.3, 108.8) | 100 (90, 107) |
| Barthel Index6 (of 100) | 95.8 (9.6) | 100.0 (0.0) | 99.9 (0.8) |
| Modified fatigue impact scale (of 84) | 29.6 (22.4) | 24.2 (21.5) | 28.4 (24.2) |
| SF-367 (of 100) | 59.9 (22.7) | 62.7 (30.6) | 65.1 (23.9) |
| Physical Health Summary Score (of 100) | 56.5 (25.7) | 62.3 (34.3) | 65.4 (23.6) |
| Mental Health Summary Score (of 100) | 63.4 (23.6) | 63.1 (29.5) | 64.7 (26.1) |
Note. Data represent means (standard deviation) unless otherwise noted. WNE = West Nile Encephalitis; WNM = West Nile Meningitis; WNF = West Nile Fever;
1
Wechsler Abbreviated Scale of Intelligence estimated IQ through Matrix Reasoning Subtest;
2
Beck Depression Inventory Score ≥ 17.
3
Repeatable Battery for the Assessment of Neuropsychological Status (standard scores);
4
Standard deviation of all 5 RBANS domain standard scores divided by the mean of all RBANS standard scores;
5
Median (25%ile, 75%ile) standard scores;
6
Index of activities of daily living;
7
Medical Outcomes Study 36-Item Short Form Survey.