Table 1. Frequency of neurological manifestations.
*P-value was calculated by comparing severe and non-severe groups. aSignificant result. bNon-significant result
SD: standard deviation
| Neurological manifestations | Total (n=114) | Severe (n=62) | Non-severe (n=52) | P-value* |
| Age in years, mean (SD) | 51 (14) | 58 (15) | 46 (14) | 0.00a |
| Age in years, n (%) | ||||
| <50 | 49 (42.9%) | 29 (46.8%) | 28 (53.4%) | 0.56b |
| ≥50 | 65 (57.1%) | 33 (53.2%) | 24 (46.6%) | |
| Sex, n (%) | ||||
| Female | 52 (45.6%) | 30 (48.38%) | 22 (42.3%) | 0.51b |
| Male | 62 (54.4%) | 32 (51.6%) | 30 (57.6%) | |
| Nervous system symptoms, n (%) | ||||
| Dizziness | 20 (17.5%) | 11 (17.7%) | 9 (17.3%) | 0.95b |
| Headache | 18 (15.7%) | 10 (16.1%) | 8 (15.3%) | 0.91b |
| Impaired consciousness | 10 (8.7%) | 8 (12.9%) | 2 (3.8%) | 0.08b |
| Acute cerebrovascular disease | 3 (2.6%) | 3 (4.8%) | 0 | 0.24b |
| Seizure | 1 (0.9%) | 1 (1.6%) | 0 | 1.00b |
| Impairment, n (%) | ||||
| Taste | 9 (7.8%) | 4 (6.4%) | 5 (9.6%) | 0.38b |
| Smell | 9 (7.8%) | 5 (8.0%) | 4 (7.6%) | 0.94b |
| Vision | 2 (1.7%) | 1 (1.6%) | 1 (1.6%) | 0.90b |
| Nerve pain, n (%) | 4 (3.5%) | 2 (3.2%) | 2 (3.8%) | 0.85b |
| Skeletal muscle injury, n (%) | 12 (10.5%) | 9 (14.4%) | 3 (5.7%) | 0.12b |