Many diagnostic accuracy studies are never reported in full in a peer‐reviewed journal. Searching for unpublished studies may avoid bias due to selective publication, enrich the power of systematic reviews, and thereby help to reduce research waste. We assessed searching practices among recent systematic reviews of diagnostic accuracy.

中文翻译：

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搜寻实践并将未发表的研究纳入诊断准确性的系统评价中。

从未在同行评审的期刊中完整报告过许多诊断准确性研究。搜索未发表的研究可以避免由于选择性发表而产生的偏见，可以丰富系统评价的能力，从而有助于减少研究浪费。我们评估了最近对诊断准确性的系统评价中的搜索实践。