| Characteristics | Result |
| Number of women with PPROM | 88 | Maternal age (mean ± S.D.) | 30.4 ± 5.0 | Weeks of gestation at admission (mean ± S.D.) | 30.2 ± 1.1 | Nulliparous, n (%) | 12,(13.6%) | Pregnancy | | Singleton, n (%) | 82,(93.18%) | Twin, n (%) | 6(6.81%) | Latency period (d) | 5.9 ± 5.9 |
| Maternal outcome | | Major maternal complications | | Cesarean delivery, n (%) | 42,(48%) | Increased infection index before labour, n (%) | 32,(36%) | Pathological placental membrane inflammation, n (%) | 15,(17%) | Precipitate labor, n (%) | 13,(15%) | Fetal distress, n (%) | 13,(15%) | Fever, n (%) | 8,(9%) | Placental adhesions, n (%) | 6,(7%) | Prolapse of umbilical cord, n (%) | 4,(5%) | Uterine atony, n (%) | 3,(3%) | Fetal membrane residue, n (%) | 3,(3%) | Placental abruption, n (%) | 3,(3%) | Postpartum hemorrhage, n (%) | 2,(2%) | Chorioamnionitis, n (%) | 2,(2%) | Curettage, n (%) | 2,(2%) |
| Neonatal outcomes | | Neonatal number | 94 | Neonatal death/be abandoned, n (%) | 12,(13%) | Neonatal survival, n (%) | 82,(87%) | Birth weight/g (mean ± S.D.) | 1687.2 ± 373.5 | Apgar score at 1 minute | 8.5 ± 2.3 | Apgar score at 5 minutes | 9.6 ± 1.2 | Hospitalization length (d) | 23.1 ± 15.1 | Hospitalization length of survival (d) | 26.0 ± 14.0 | Endotracheal intubation, n (%) | 16,(17%) | NICU admission, n (%) | 89,(95%) |
| Major neonatal condition | | Neonatal pneumonia, n (%) | 76,(81%) | Neonatal hyperbilirubinemia, n (%) | 74,(79%) | Patent foramen ovale, n (%) | 47,(50%) | Electrolyte disorder, n (%) | 45,(48%) | Neonatal anemia, n (%) | 32,(34%) | Premature brain, n (%) | 26,(28%) | Neonatal asphyxia, n (%) | 24,(26%) | Myocardial damage, n (%) | 23,(24%) | Neonatal respiratory distress syndrome, n (%) | 22,(23%) | Neonatal hypoglycemia, n (%) | 20,(21%) | Patent ductus arteriosus, n (%) | 19,(20%) | Sepsis, n (%) | 28,(30%) | Neonatal hypoproteinemia, n (%) | 16,(17%) | ABO hemolytic disease of newborn, n (%) | 11,(12%) | Abnormal coagulation function, n (%) | 11,(12%) | Immature retina (double), n (%) | 11,(12%) | High TSH/hypothyroidism, n (%) | 11,(12%) | Mycotic infection, n (%) | 9,(10%) | Neonatal intracranial hemorrhage, n (%) | 9,(10%) | Neonatal hypoxic ischemic encephalopathy, n (%) | 6,(6%) | Neonatal respiratory failure, n (%) | 5,(5%) | Pulmonary hypertension, n (%) | 5,(5%) | Bronchopulmonary dysplasia, n (%) | 4,(4%) | Ureaplasma urealyticum infection, n (%) | 4,(4%) | Neonatal conjunctivitis, n (%) | 4,(4%) | Neonatal meningitis, n (%) | 3,(3%) | Neonatal thrombocytopenia, n (%) | 3,(3%) | Neonatal necrotizing colitis, n (%) | 3,(3%) | Cholestasis, n (%) | 3,(3%) |
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