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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