Characteristics of study patients and outcome according to age.

<p>Characteristics of study patients and outcome according to age.</p

Correlation between duration of symptoms before Emergency Department (ED) arrival and time until desaturation (to < 92%) in patients ≥ 3 months (n = 61).

<p>R² = 0.05, <i>P</i> = 0.08.</p

Patients’ outcomes from ED arrival until admission to the hospital or discharge home.

<p>*35 patients did not need oxygen therapy but were hospitalized for enteral feeding, social reasons, or observation due to important respiratory distress.</p