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. 2022 Nov 25;9(12):1825. doi: 10.3390/children9121825

Table 2.

Comorbidities and procedures performed in 7042 ELBW infants.

Comorbidities N %
P220 respiratory distress syndrome (RDS) 4982 70.7
P590-9 neonatal jaundice 4694 66.7
P360-9 sepsis 4253 60.4
Q250 patent ductus arteriosus (PDA) 2630 37.3
P271 bronchopulmonary dysplasia (BPD) 2285 32.4
P612 anemia of prematurity 2164 30.7
P230-9 congenital pneumonia 1845 26.2
P520-9 intraventricular hemorrhage (IVH), all grades 1492 21.2
P210 severe asphyxia 1438 20.4
P704 hypoglycemia 1410 20.0
P77 necrotizing enterocolitis (NEC) 1353 19.2
H351 ROP
P708, R73 hyperglycemia
P250-8 pulmonary interstitial emphysema and air leak
1179
488
695
16.7
6.9
9.9
P260-9 pulmonary hemorrhage 665 9.4
P293 persistent pulmonary hypertension of the newborn (PPHN)
P742, E870, E871disturbance of sodium balance of newborn
358
1647
5.1
23.4
Procedures
Respiratory support
 9390 non- invasive respiratory support 1236 17.6
 9671 mechanical ventilation <96 h 1467 20.8
 9672 mechanical ventilation >96 h 4339 61.6
3891-3 arterial and/or venous catheterization 5440 77.2
9904 blood transfusion 4934 70.0
9915 parenteral nutrition 3686 52.3
9960 cardiopulmonary resuscitation 832 11.8
3404 intercostal drainage
Gastrointestinal tract surgery
 4502-3, 451-6 intestinal resection
 460-6 related to stoma creation
 459, 4673-9, 4693-4 intestinal anastomosis
 450, 5411 exploratory laparotomy
 5491 percutaneous abdominal drainage
3885 PDA ligation
468
179
84
98
47
5
63
333
6.6
2.5
1.2
1.4
0.7
0.1
0.9
4.7