Table 1 Perinatal characteristics
From: White matter microstructure and gray matter density in 12-year-old preterm born children
Perinatal characteristics | Children who performed MRI assessment (n = 57) | Children not participating (n = 56) | p-value |
|---|---|---|---|
Gestational age, median (min, max), w | 29.4 (22.7,31.9) | 29.1 (22.3,31,9) | 0.9 |
Birth weight, mean (SD) g | 1224.6 (46.7) | 1170.5 (47.3) | 0.4 |
Small for gestational age, n (%) | 10 (17.5) | 12 (21.4) | 0.6 |
Female, n (%) | 26 (45.6) | 25 (44.6) | 0.9 |
Multiple birth, n (%) | 21 (36.8) | 14 (25) | 0.2 |
Antenatal corticosteroids, n (%) | 41 (71.9) | 37 (66.1) | 0.5 |
Cesarean section, n (%) | 29 (50.9) | 39 (69.6) | 0.04 |
PVL, n (%) | 4 (7) | 3 (5.4) | 1.0 |
IVH, n (%) | 16 (28.1) | 8 (14.3) | 0.07 |
IVH grade 1, n (%) | 13 (22.8) | 6 (10.7) | |
IVH grade 2, n (%) | 1 (1.8) | 0 | |
IVH grade 3, n (%) | 2 (3.5) | 1 (1.8) | |
IVH grade 4, n (%) | 0 | 1 (1.8) | |
Severe brain injury (PVL or IVH grade 3), n (%) | 5 (8.8) | 4 (7.1) | 1.0 |
ROP – Any, n(%) | 14 (24.6) | 18 (32.1) | 0.4 |
ROP ≥ 3, n (%) | 2 (3.6) | 7 (12.5) | 0.09 |
ROP, treated, n (%) | 1 (1.8) | 5 (8.9) | 0.1 |
Sepsis, n (%) | 13 (22.8) | 9 (16.1) | 0.4 |
PDA, n (%) | 12 (21.1) | 13 (23.2) | 0.8 |
Operated PDA, n (%) | 8 (14.0) | 7 (12.5) | 0.2 |
BPD, n (%) | 11 (19.3) | 14 (25) | 0.5 |
NEC, n (%) | 0 (0) | 0 (0) |
