Table 1: Characteristics of the study population.

Gender Ratio
Male (%)
Female (%)
1.2
54
46
Average age in days 5
Gestational age
34-36SA
34-36 SA
37-40 SA

15.62%
28.12%
56.25%
Intake weight
1000g-1500g
1501g-2800g
2801g-3800g
3801g-4800g

31,26%
26,87%
22,5%
19,37%
Length of stay
<10 days
10-30 days
>30 days

18%
66%
76%
Catheterization of Umbilical vein 87.5%
Stomach tube 36%
Urethral catheter 10%
Mechanical ventilation
Invasive
Non-invasive
81.25%
34%
47%
Resuscitation 7.5%
Power supply
Breastfeeding
Artificial feeding

40.6%
59.4%
Deceased patients 56.25%