运动终点和运动终止后 1分时 ,直线回归和曲线回归均与运动前有显著性差异 ,由回归方程求出的心率在 6 0次 /分时的qt间期与qtc值不同。

• 3.At the peak of exercise and the first minute in the recovery phase of exercise test,the liner regression line and the logarithmic regression line were different from those lines before exercise. The QT interval at 60 bpm predictive by the regression equation was different from QTc.