Table 2.
Comparison between normal and abnormal neuroimaging patients
| Normal neuroimaging(n = 15) | Abnormal neuroimaging(n = 34) | p | |
| Patient characteristics | |||
| Age (months), median (IQR) | 66.53 (17.4–133.2) | 14.73 (1.03–131.03) | 0.13888 |
| Age category, n (%) | |||
| 0–28 days | 1 (7) | 6 (18) | 0.41423 |
| 29 days–1 year | 2 (13) | 10 (30) | 0.297627 |
| 1–5 years | 3 (20) | 6 (18) | 1 |
| 5–10 years | 4 (27) | 3 (9) | 0.179383 |
| >10 years | 5 (33) | 9 (26) | 0.734927 |
| Male, n (%) | 8 (53) | 22 (65) | 0.53189 |
| PIM score, median (IQR) | 6% (3–12%) | 8% (3–15%) | 0.72786 |
| PIM-2 score, median (IQR) | 6% (3–10%) | 7% (4–19%) | 0.77948 |
| Max. 48 h VIS, median (IQR) | 42.5 (25.75–91.5)a | 32 (17.5–47.5)a | 0.09102 |
| Length of mechanical ventilation (days), median (IQR) | 4 (2–14) | 7.5 (4–15.25) | 0.3472 |
| Length of stay in ICU (days), median (IQR) | 9 (4–18) | 9.5 (4.75–17) | 0.674482 |
| Type of neuroimaging, n (%) | |||
| CT only | 8 (53) | 14 (41) | 0.537746 |
| MRI only | 5 (33) | 9 (26) | 0.734927 |
| Both | 2 (13) | 11 (32) | 0.292519 |
| Clinical manifestation, n (%) | 10 (67) | 23 (67) | 1 |
| Seizure | 4 (27) | 11 (32) | 0.750074 |
| Low GCS/lethargy | 5 (33) | 12 (35) | 1 |
| Pupil alteration | 3 (20) | 5 (15) | 0.68687 |
| Signs of raised ICP | 0 (0) | 2 (6) | 1 |
| EEG, n (%) | 8 (53) | 25 (74) | 0.197701 |
| EEG result, n (%) | |||
| Normal | 1 (13) | 1 (4) | 0.522959 |
| Background abnormalities | 7 (88) | 21 (84) | 0.363252 |
| Ictal discharges | 0 (0) | 3 (12) | 0.543259 |
| Positive microbiological result, n (%) | 7 (47) | 20 (59) | 0.537746 |
| Meningitis, n (%) | 0 (0) | 5 (15) | 0.305695 |
| Immunosuppression, n (%) | 5 (33) | 9 (26) | 0.734927 |
| Cardiac arrest, n (%) | 2 (13) | 6 (18) | 1 |
| Mortality, n (%) | 3 (20) | 8 (24) | 1 |
EEG, electroencephalography; GCS, Glasgow Coma Scale; ICU, intensive care unit; ICP, intracranial pressure; IQR, interquartile range; PIM, Paediatric Index of Mortality; VIS, vasoactive-inotropic score.
aOne missing data.