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. 2017 Jul 17;17:167. doi: 10.1186/s12887-017-0911-z

Table 1.

Inclusion and exclusion criteria

Inclusions Exclusions
Birth weight ≤ 1250 g Major congenital anomalies
Requiring intubation/mechanical ventilation Congenital heart disease
First planned extubation Cardiac arrhythmias
Receiving any vasopressor at time of extubation
Receiving any sedatives at time of extubation
Extubation from high frequency ventilation
Direct extubation to room air, oxyhood or low flow nasal cannula
Accidental/unplanned extubation
Death prior to extubation