To detect moderate to severe obstructive sleep apnoea (OSA) in children, nocturnal pulse oximetry (NPO) may be a reasonable alternative to cardiorespiratory polygraphy if the latter is not accessible.
Nocturnal pulse oximetry (NPO) indices, such as the 3% and 4% Oxygen Desaturation Indices (ODI3 and ODI4, respectively), demonstrated moderate sensitivity and specificity for detecting moderate and ...
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