Pathological feature | BA group (n = 53; asphyxiated infants) | NoBA group (n = 17; non-asphyxiated infants) | ||
---|---|---|---|---|
Mature (n = 23) | Preterm (n = 30) | Mature (n = 3) | Preterm (n = 14) | |
Values in parentheses are percentages. | ||||
Mature, ⩾37 weeks; preterm, 24–36 weeks. | ||||
Neuronal eosinophilia | 14 (61) | 9 (30) | 2 | 5 (36) |
Neuronal karyorrhexis | 11 (48) | 8 (27) | 0 | 0 (0) |
Grey matter infarcts | 1 (4) | 3 (10) | 0 | 0 (0) |
White matter gliosis | 11 (48) | 14 (47) | 2 | 0 (0) |
Grey matter gliosis | 7 (30) | 5 (17) | 1 | 0 (0) |
Microglial upregulation | 9 (39) | 14 (47) | 1 | 1 (7) |
Macrophages | 9 (39) | 14 (47) | 0 | 0 (0) |
Fresh haemorrhage | 11 (48) | 19 (63) | 0 | 8 (57) |
Haemosiderin deposits | 0 (0) | 1 (3) | 0 | 0 (0) |
Mineral deposits | 2 (9) | 8 (27) | 2 | 1 (7) |