Parameter

Median

Min-Max

Mean

SD

Birth weight [g]

3200

1990 - 4300

3253

547

Gestat. age [weeks]

38

33 - 41

38

2.5

Duration of vomiting [days]

4

1 - 28

6

19

Weight gain since birth

578

(−260 - 2160)

767

438

Age at OP [days]

37

18 - 108

39

20.2

Body weight at OP [g]

3840

2760 - 5900

3992

757

Body length [cm]

54

49 - 61

55

3.27