计算各组变异系数、标准差、极差、均数95%可信区间，比较连续3个心动周期与5个心动周期的参数测量值。
The standard deviation, range, variation coefficient, 95% confidence interval were analyzed, the average values of 3 cycles were compared with those of 5 cycles.
所用到的统计学方法有一般的统计描述(如均数与标准差)，以及重复测量方差分析，聚类分析，多重线形回归等。
The statistical methods used are general statistical description (such as mean and standard deviation), repetitive measurement deviation analysis, clustering analysis and multiple linear regression.
所用到的统计学方法有一般的统计描述(如均数与标准差)，以及重复测量方差分析，聚类分析，多重线形回归等。
The statistical methods used are general statistical description (such as mean and standard deviation), repetitive measurement deviation analysis, clustering analysis and multiple linear regression.
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