Table 1.
The demographic characteristics of NEC-PVG group and NEC-non PVG group.
| Variables | NEC-PVG | NEC-non PVG | P |
|---|---|---|---|
| (n = 61) | (n = 62) | ||
| NEC stage III | 30 (49.2%) | 21 (33.9%) | 0.085 |
| GA (week) | 30.5 ± 2.1 | 29.9 ± 2.2 | 0.182 |
| BW (g) | 1408.7 ± 329.2 | 1350.7 ± 331.9 | 0.333 |
| Male | 36 (59.0%) | 42 (67.7%) | 0.315 |
| SGA | 12 (19.7%) | 8 (12.9%) | 0.309 |
| Asphyxia | 10 (16.4%) | 12 (19.4%) | 0.668 |
| Last volume of milk | 23 (19, 30) | 25 (17, 33) | 0.334 |
| Mother's age | 30.0 ± 4.6 | 30.5 ± 5.0 | 0.591 |
| Vaginal delivery | 26 (42.6%) | 34 (54.8%) | 0.175 |
| Premature rupture of membranes | 16 (26.2%) | 20 (32.3%) | 0.463 |
| Turbid amniotic fluid | 12 (19.7%) | 14 (22.6%) | 0.693 |
| Multiple pregnancy | 15 (24.6%) | 13 (21.0%) | 0.632 |
| GDM | 13 (21.3%) | 15 (24.2%) | 0.703 |
| Hypertension during pregnancy | 12 (19.7%) | 13 (21.0%) | 0.858 |
| Anemia in pregnancy | 23 (37.7%) | 24 (38.7%) | 0.909 |
| IAI | 16 (26.2%) | 15 (24.2%) | 0.795 |
| Apnea | 46 (75.4%) | 45 (72.6%) | 0.721 |
| Temperature instability | 26 (42.6%) | 28 (45.2%) | 0.777 |
| Shock | 12 (19.7%) | 4 (6.5%) | 0.029 |
| Ascites | 25 (41.0%) | 23 (37.1%) | 0.659 |
| Acute peritonitis | 31 (50.8%) | 11 (17.7%) | <0.01 |
| Length of stay in hospital | 48 (33, 59) | 46 (37, 59) | 0.990 |
NEC, necrotizing enterocolitis; GA, gestational age; BW, birth weight; SGA, small for gestational age; GDM, gestational diabetes mellitus; IAI, intrauterine infection.