The researchers were unable to assess the statistical significance of differences in actual suicide attempts.

研究人员无法评估实际自杀未遂差异的统计学意义。

The result had a statistical significance of 4.2-sigma, about a one in 40,000 chance that the result is a fluke.

结果具有 4.2-sigma 的统计显着性，大约有四万分之一的几率结果是侥幸。