“…Research in China in 2020 entitled Prognostic Factors on Low-Birth-Weight Infants of Atresia and / or Tracheoesophageal Fistula: a Cohort Study, with a study sample of 81 patients, found that the overall prevalence of preoperative, intraoperative, and postoperative complications was significantly higher in lowbirth-weight patients (P = 0.002, P = 0.001, P = 0.001), but OS was lower (75.9 percent vs 92.3 percent, p = 0.027). The postoperative OS of patients with stress hyperglycemia was lower than that of patients with euglycemia (81.0 percent vs 93.6 percent, p = 0.03) [28] . Another study in India in 2008, entitled Esophageal atresia: Factors influencing survival -Experience at an Indian tertiary center with a total sample size of 127 samples collected from February 2004 to May 2006, explained that In 117 cases, EA with TEF was the most common type (92 percent ).…”