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Positive correlation between the QTcd periods and desaturation indices of the OSA patients. Desat index, desaturation index; QTcd1, QT corrected interval dispersion in patients with OSAS before CPAP treatment; p and r values were determined using Spearman correlation p: 0.001, r: 0.710; Spearman correlation p: 0.001, r: 0.654.
