Laparotomy versus Peritoneal Drainage as Primary Treatment for Surgical Necrotizing Enterocolitis or Spontaneous Intestinal Perforation in Preterm Neonates: A Systematic Review and Meta-Analysis.

However, in this review the authors included only 10 observational studies and concluded that no statistically significant differences were found in mortality, which might be explained by a smaller sample size compared to our study, especially given that their confidence interval was of borderline significance, and that they did not include some studies that would have met inclusion criteria as per their description [ 72 ].

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