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Table 4 Odds ratios (OR) with standard errors (SE) of the risk adjustment parameters for each outcome and each risk adjustment (RA) approach

From: Comparison of three different methods for risk adjustment in neonatal medicine

Outcome

RA approach

GAa

GA2

BWb z-score

Male sex

Multiples

Apgar1

Major malformation

outborn

SESc

OR

SE

OR

SE

OR

SE

OR

SE

OR

SE

OR

SE

OR

SE

OR

SE

OR

SE

Mortality

Indirect standardization

0.52

0.02

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

Logistic regression

0.20

0.12

1.10

0.01

0.88

0.06

1.07

0.11

1.03

0.12

0.74

0.02

7.88

0.19

0.76

0.27

-

-

Multilevel

0.19

0.12

1.10

0.01

0.84

0.06

1.09

0.11

1.03

0.12

0.74

0.02

8.62

0.20

0.74

0.28

-

-

In hosp. Mortality

Indirect standardization

0.57

0.03

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

Logistic regression

0.31

0.15

1.06

0.01

0.81

0.06

1.13

0.11

1.08

0.13

0.79

0.02

4.65

0.24

0.94

0.27

-

-

Multilevel

0.28

0.15

1.07

0.01

0.79

0.06

1.16

0.12

1.06

0.13

0.80

0.02

5.34

0.24

0.89

0.28

-

-

Late onset sepsis

Indirect standardization

0.68

0.02

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

Logistic regression

1.11

0.14

0.96

0.01

0.71

0.06

0.95

0.10

0.83

0.12

1.03

0.02

1.32

0.28

1.08

0.24

-

-

Multilevel

1.02

0.15

0.96

0.01

0.68

0.06

0.96

0.10

0.79

0.12

1.03

0.02

1.48

0.29

0.98

0.24

-

-

NECd

Indirect standardization

0.81

1.04

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

Logistic regression

1.12

1.30

0.98

1.02

0.78

1.11

1.12

1.21

1.13

1.23

0.91

1.04

1.00

1.69

1.30

1.46

1.11

1.04

Multilevel

1.09

1.30

0.98

1.02

0.78

1.11

1.13

1.21

1.11

1.23

0.91

1.04

1.01

1.69

1.32

1.46

1.11

1.04

sIVHe

Indirect standardization

0.65

0.03

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

Logistic regression

0.64

0.16

1.01

0.01

1.30

0.07

1.28

0.12

1.18

0.13

0.85

0.03

0.69

0.41

1.37

0.25

-

-

Multilevel

0.63

0.16

1.01

0.01

1.31

0.07

1.27

0.12

1.19

0.13

0.85

0.03

0.69

0.41

1.33

0.25

-

-

BPDf

Indirect standardization

0.62

0.03

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

Logistic regression

0.79

0.17

0.98

0.01

0.53

0.07

1.60

0.12

1.03

0.13

0.94

0.02

3.91

0.27

1.18

0.27

-

-

Multilevel

0.73

0.17

0.99

0.01

0.52

0.07

1.60

0.12

1.01

0.13

0.94

0.02

4.40

0.27

1.11

0.27

-

-

sROPg

Indirect standardization

0.47

1.07

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

Logistic regression

0.45

1.42

1.01

1.03

0.75

1.16

1.23

1.28

1.26

1.31

0.93

1.05

1.06

2.17

1.51

1.73

0.98

1.05

Multilevel

0.35

1.44

1.03

1.03

0.75

1.16

1.31

1.28

1.06

1.31

0.94

1.05

0.97

2.19

1.56

1.76

0.98

1.05

  1. a GA gestational age
  2. b BW birthweight
  3. c SES socio-economic status
  4. d NEC Necrotizing enterocolitis
  5. e sIVH intra−/periventricular hemorrhage grade 3–4
  6. f BPD bronchopulmonary dysplasia
  7. g sROP retinopathy of prematurity grade 3 and above
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BMC Pediatrics

ISSN: 1471-2431

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