|
Gestational age (weeks)
|
0.731
|
0.713 – 0.750
|
<0.001
|
|
Birth weight < 1000 grams
|
5.418
|
4.714 – 6.228
|
<0.001
|
|
5th minute Apgar <7
|
2.472
|
2.055 – 2.973
|
<0.001
|
|
SNAPPE II (score)
|
1.033
|
1.029 – 1.037
|
<0.001
|
|
Respiratory distress syndrome
|
4.049
|
3.541 – 4.630
|
<0.001
|
|
Apnea
|
2.419
|
2.135 – 2.740
|
<0.001
|
|
Patent ductus arteriosus
|
2.479
|
2.172 – 2.828
|
<0.001
|
|
Clinical sepsis
|
7.903
|
6.867 – 9.094
|
<0.001
|
|
Necrotizing enterocolitis
|
6.795
|
4.862 – 9.496
|
<0.001
|
|
PIVH grades 3-4
|
2.855
|
2.212 – 3.685
|
<0.001
|
|
Need for oxygen at 28 days of life
|
1.625
|
1.502 – 1.757
|
<0.001
|
|
Retinophaty of prematurity
|
2.003
|
1.705 – 2.353
|
<0.001
|
|
Use of umbilical catheter
|
2.910
|
2.555 – 3.314
|
<0.001
|
|
Need for mechanical ventilation
|
8.754
|
7.581 – 10.109
|
<0.001
|
|
Use of vasoactive drugs
|
2.868
|
2.304 – 3.570
|
<0.001
|
|
Need for parenteral nutrition
|
7.870
|
6.009 – 10.308
|
<0.001
|
|
Intra-hospital death
|
2.534
|
2.135 – 2.740
|
<0.001
|
|
Unit M
|
1.015
|
0.697 – 1.477
|
0.939
|
|
Unit A
|
1.341
|
0.883 – 2.036
|
0.169
|
|
Unit J
|
1.436
|
0.910 – 2.264
|
0.120
|
|
Unit B
|
1.563
|
1.146 – 2.133
|
0.005
|
|
Unit D
|
1.587
|
1.038 – 2.427
|
0.033
|
|
Unit I
|
1.918
|
1.324 – 2.778
|
0.001
|
|
Unit O
|
2.051
|
1.321 – 3.185
|
0.001
|
|
Unit E
|
2.176
|
1.518 – 3.118
|
<0.001
|
|
Unit P
|
2.208
|
1.495 – 3.263
|
<0.001
|
|
Unit G
|
2550
|
1.789 – 3.635
|
<0.001
|
|
Unit C
|
2.832
|
1.941 – 4.132
|
<0.001
|
|
Unit L
|
3.290
|
2.229 – 4.854
|
<0.001
|
|
Unit K
|
3.591
|
2.511 – 5.136
|
<0.001
|
|
Unit H
|
3.814
|
2.573 – 5.654
|
<0.001
|
|
Unit N
|
4.926
|
3.209 – 7.561
|
<0.001
|
