Fig. 1: Inclusion flow chart. | Pediatric Research

Fig. 1: Inclusion flow chart.

From: Surgical necrotizing enterocolitis risk factors in extremely preterm infants: a Korean nationwide cohort study

Fig. 1

VLBW very-low-birth-weight; KNN Korean Neonatal Network; NEC necrotizing enterocolitis; Control group, EPIs without NEC; mNEC group, EPIs with medically treated NEC; sNEC group, EPIs with severe NEC that was treated by surgical intervention including peritoneal drainage or laparotomy, or who died before surgery with clinical evidence of requiring surgery.

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