Table 3.

In-hospital monitoring of infants with BPD.

Parameter		Reference
Body weight (daily)	−Body weight change: online calculator (https://www.growthcalculator.org/) (accessed on 21 April 2021) −Weight gain velocity; ideally 15–20 g/kg/day	[141] [146]
Body length (weekly)	Body length velocity: 0.9–1.1 cm/week	[147]
Head circumference (weekly)	Head circumference velocity: 0.9–1.0 cm/week	[147]
Monitoring iron status	Complete blood count with reticulocyte count, and serum ferritin levels	[140]
Monitoring protein nutrition	Blood urea nitrogen (BUN)	[113]
Monitoring early metabolic bone disease	Serum phosphorus and alkaline phosphate levels	[149]
Monitoring electrolyte balance (diuretics use)	Serum electrolytes	[27]