ECG parameters in patients with acromegaly and age-matched controls.

Abbreviations: QTc: frequency corrected QT interval; QTd: QT dispersion; STVQT: short-term variability of QT interval; n = 30 in each group,*P**Pvs controls.ECG parameters in patients with acromegaly and age-matched controls.缩写说明：QTc：校正QT间期（frequency corrected QT interval）；QTd：QT离散度（QT dispersion）；STVQT：QT间期短期变异性（short-term variability of QT interval）；各组样本量均为30例，*P与对照组相比差异具有统计学意义。肢端肥大症患者与年龄匹配对照人群的心电图参数。