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Table 2 Maternal age, postpartum day of operation, day of discharge and number of previous pregnancies

From: Ligation of patent ductus arteriosus in low birth weight premature infants: timing for intervention and effectiveness of bed-side surgery

Mothers’ age (year)

Group A

31,11 ± 5,9

p > 0,05

Group B

26,89 ± 13,2

Postpartum day of operation (day)

Group A

16 ± 12

p > 0,05

Group B

23,17 ± 15,7

Day of hospital discharge (day)

Group A

62,7 ± 45,2

p > 0,05

Group B

83 ± 33,4

Number of pregnancies

Group 1

2,14 ± 2,2

p > 0,05

Group 2

1,29 ± 0,5