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1·Study heterogeneity was evaluated using Q statistics and I and publication bias assessed with funnel plots and Egger's test.

异质性评价研究利用Q统计评估和发表偏倚采用漏斗图和埃格检验评估。

2·Sensitivity analysis is done to the different results; the publication bias is evaluated by funnel plots and fail-safe number.

对不同纳入标准的结果进行了敏感性分析，用漏斗图和失安全数评估发表偏倚。

3·Funnel plots were drawn to determine publication bias by plotting the net change in systolic BP against the reciprocal of the standard error of change in systolic BP.

通过绘制收缩期血压的网格变化与收缩期血压标准误差的倒数所得到的漏斗图，用此图去分析出版倾向。