Clinical characteristics and demographics
| Neonates: n = 55 | |||
|---|---|---|---|
| Extremely Preterm Birth (<28 + 0 weeks GA): n = 30 | Preterm Birth (28 + 0–36 + 6 weeks GA): n = 10 | Term Born (≥37 + 0 weeks GA): n = 15 | |
| Clinical characteristics | |||
| Male/female | 10/20 | 5/5 | 6/9 |
| GA at birtha | M = 25 + 5, SD = 1 + 4;R = 23 + 0–27 + 6 | M = 32 + 4, SD = 3 + 1; R = 28 + 0–36 + 3 | M = 39 + 5, SD = 0 + 6; R = 37 + 6–40 + 5 |
| GA at MR imaginga | M = 38 + 2, SD = 2 + 0;R = 35 + 1–43 + 4 | M = 39 + 0, SD = 6 + 1; R = 33 + 4–54 + 5 | M = 41 + 5, SD = 2 + 1; R = 39 + 0–45 + 3 |
| Clinical diagnosis | |||
| Without pathologic findingsb | n = 15 | n = 4 | n = 5 |
| Hemorrhageb,c | n = 10d | n = 3e | n = 3f |
| Cystic PVLb | n = 2 | ||
| Expired infarctionb | n = 1 | n = 1 | n = 1 |
| Blake pouchb | n = 1 | ||
| Venous vessel malformationb | n = 1 | n = 1 | |
| Intraventricular arachnoid cystb | n = 1 | ||
| HIEb | n = 4 | ||
| Cephalohematomab | n = 1 | ||
| Hygromab | n = 1 | ||
Note:—HIE indicates hypoxic-ischemic encephalopathy; PVL, periventricular leukomalacia.
↵a Data represented as mean (M), standard deviation (SD), and range (R).
↵b Data represented as total number.
↵c Including hyperacute, acute, subacute, and chronic intraventricular, cortical, subcortical, parenchymal, subarachnoid, and subdural hemorrhage.
↵d Grade III/IV intracranial hemorrhage (according to Deeg et al43) in 1 of 10.
↵e Grade III/IV intracranial hemorrhage (according to Deeg et al43) in 2 of 3.
↵f Grade III/IV intracranial hemorrhage (according to Deeg et al43) in 1 of 3.