Table 1.
Clinical and demographic characteristics of patients
| Characteristic | PRES (n = 44) | PRES patients with FC available (n = 15) | Controls (n = 72) |
|---|---|---|---|
| Sex (% female) | 75% | 60% | 65.2% |
| Age at first manifestation, years (IQR) | 64 (29.8) | 61 (21) | 34.3 (25.9) |
| Systolic blood pressure at admission, mmHg (IQR) | 145 (40) | 140 (40) | 125 (30) |
| Diastolic blood pressure at admission, mmHg (IQR) | 90 (17.5) | 90 (20) | 85 (25) |
| Length of hospital stay in days, median (IQR) | 10 (8) | 10 (9) | 5 (6) |
| Trigger | |||
| Hypertension | 20 (45.4%) | 6 (40.0%) | |
| Renal or liver failure | 11 (25.0%) | 4 (26.7%) | |
| Infection | 11 (25.0%) | 4 (26.7%) | |
| Adverse effect of immunotherapy | 3 (6.8%) | 1 (6.7%) | |
| Unknown | 10 (22.7%) | 3 (20.0%) | |
| Presenting neurological symptoms | |||
| Headache | 27 (61.3%) | 5 (33.3%) | |
| Visual disturbances | 25 (56.8%) | 5 (33.8%) | |
| Altered consciousness | 9 (20.4%) | 4 (26.6%) | |
| Seizures | 14 (31.8%) | 3 (20.0%) | |
| Paresis | 16 (36.3%) | 4 (26.6%) | |
Differences between groups were analyzed using Student’s t test or Mann-Whitney test. Unless otherwise reported, values are median ± IQR (range), median ± IQR, or n (%)
Abbreviations: IQR, interquartile range