Variable Odds Ratio (Unadjusted) Odds ratio (Adjusted) Adjusted OR 95% CI
GA (weeks) 1.788*** 1.533** 1.122, 2.096
Birth weight (100g) 1.427*** 1.426 0.929, 2.190
Female 1.131
Inborn 0.744
Oligohydramnios 0.894
Chorioamnionitis 0.529* 0.714 0.359, 1.418
Antenatal steroids χ2LRT = 2.573
<24hrs 0.618
completed 0.514
> 7 days 1.313
Postnatal Surfactant 0.776
Failed Extubation Attempts 1.922** 0.833 0.357, 1.940
Duration of Dex Course (days) 1.004
Days ventilated prior to dex 1.022+ 1.026 0.958, 1.099
Age at starting dex (days) 1.070*** 1.068 0.974, 1.170
Weight at starting dex (100g) 1.339*** 0.956 0.698,1.310
IVABx at Dex 0.687
Total Fluid Intake (mls/kg/day) 0.999
Starting dose of Dexamethasone 2.097
Average SpO2 24hr prior to Dex 1.118* (sats24beforeDEX?) 1.112 0.976, 1.266
Ventilation mode HFOV 0.369*** 1.533 0.597,3.936
FiO2 24hrs prior to dex 0.939*** 0.958* 0.921, 0.997
MAP (cmH2O)_ 0.759*** 0.764** 0.634,0.921
TPN 0.790
Enteral Feeding χ2LRT = 4.950+ χ2LRT = 2.310
NBM 0.215+ 0.236 0.028, 2.024
Formula 1.505 0.656 0.169, 2.546
Last pH before starting Dex 10.63+ 4.278 0.078,235.892
Last pCO2 before starting Dex 1.003
Last Hb before starting Dex (g/L) 1.001
PDA status χ2LRT=18.407*** χ2LRT=5.582+
Presumed open 0.935 0.802 0.218,2.944
Echo open 0.278*** 0.523 0.199,1.372
Echo Closed 0.320** 0.312* 0.110,0.883
Sepsis χ2LRT=0.901
before dex 1.011
within 5 days of starting dex 0.482
Airleaks χ2LRT=6.732+ χ2LRT=0.768
Pneumothorax 0.835 1.019 0.400,2.597
PIE 0.345* 0.672 0.211, 2.139
Both 1.809 1.676 0.218, 12.913
CXR findings- N (%) χ2LRT=16.693*** χ2LRT=0.799
Grade 3 0.382*** 0.732 0.368,1.458
Grade 4 0.336* 0.894 0.223,3.584