All cases (n = 27) All cases (n = 27)
Mean ± SD (minimum–maximum) Median [interquartile range]
Gestational age (week) 25.8±2.0 26 (22-31)
Mean birth weight (gr) 1027±423 920 (550-2500)
Mean weight at surgery (g) 1188±553 1020 (480-2700)
Medical treatment time 2.0±1.1 2 (0-4)
Preoperative MV support 24.2±16.2 25 (0-77)
Operation time 18.7±5.5 20 (10-40)
Mean postop LOS 25.2±39.0 6 (0-165)
Mean hospital stay 38.5±52.7 7 (0-193)
Mean PDA size 2.85±0.72 3 (1.7-4.5)
Mean postoperative MV time 16.0±33.3 3 (0-165)