评估者将80封信分为“自杀”和“没自杀”两组，内容表达悲伤的信件将被剔除。

The evaluators classified the 80 letters as' suicide 'or' no suicide 'in an intention-to-treat analysis. Letters expressing sadness were subsequently excluded for a per-protocol analysis.

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评估者将80封信分为“自杀”和“没自杀”两组，内容表达悲伤的信件将被剔除。

The evaluators classified the 80 letters as' suicide 'or' no suicide 'in an intention-to-treat analysis. Letters expressing sadness were subsequently excluded for a per-protocol analysis.

youdao