Overall complications

Odds Ratio [95%CI]

p

Serious complications

Odds Ratio [95%CI]

p

Age (≤ 1 year)

0.61 [0.26-1.41]

0.25

1.22 [0.39-4.38]

0.74

Sex (girls)

2.62 [1.42-4.94]

< 0.01^*

2.97 [1.15-8.11]

0.03^*

Neurologic impairment

0.69 [0.20-2.45]

0.55

0.42 [0.08-3.16]

0.33

Congenital malformations

0.44 [0.10-1.84]

0.25

0.55 [0.07-4.78]

0.55

Oncological issue

1.89 [0.48-7.85]

0.36

1.42 [0.26-11.61]

0.71

Metabolism abnormalities

0.53 [0.12-2.32]

0.39

0.17 [0.01-1.98]

0.17

Laparoscopy

0.33 [0.02-2.55]

0.35

/

/

Laparotomy

0.12 [0.01-0.73]

0.05

/

/

gastrostomy tube

0.79 [0.41-1.49]

0.46

3.78 [1.41-11.44]

0.01^*

PPI use

0.68 [0.35-1.31]

0.25

/

/

Fundoplication

8.94 [1.44-176.29]

0.04^*

1.59 [0.50-5.38]

0.44