highly significantP < 0.001
4 ), LUS score remained a highly significant independent predictor after adjusting for PaO 2 , PaCO 2 , gestational age, and delivery mode (aOR =1.700, 95% CI [1.41–2.05], P < 0.001), indicating each 1-point increase in LUS score increased odds of requiring higher respiratory support level by 70%.