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Table 3 Comparison of the outcome of PDA ligation with and without previous prostaglandin synthetase inhibitor

From: Outcome following patent ductus arteriosus ligation in premature infants: a retrospective cohort analysis

Parameter PDA ligation without previous PSI (n = 17) PDA ligation after PSI (n = 65) p value
Total days in oxygen Median (95% CI) 83 (48–142) days 102 (78–126) days 0.20*
Incidence of CLD 13 (76%) 50 (77%) 1.00¥
Deaths 2 (12%) 15 (23%) 0.50¥
  1. * Mann Whitney U test
  2. ¥Fisher exact test