探讨《中华诊断学电子杂志》2015年载文信息情况。

以《中华诊断学电子杂志》2015年电子版及纸质导读版刊出的所有文献为研究对象，分析"专题研究"重点号、载文量、载文栏目、载文刊出形式、第一作者地区机构分布、载文基金论文等指标，并与2014年指标进行对比。

2015年共发刊4期，电子版(光盘版、网络版)共305页，纸质导读本256页。全年共75篇，每期最高载文20篇，最少15篇，平均每期18.75篇；共刊发4个"专题研究"重点号，共59篇稿件，占全年发稿量的78.67%；刊出141页，占55.08%。电子版平均每篇4.07页，纸质导读本平均每篇3.41页。电子版篇密度为0.25，信息密度为3.93；纸质导读本篇密度0.29，信息密度为4.69。全年论著共57篇，占76.00%；短篇12篇，占16.00%；综述2篇，占4.00%；其他4篇，占5.33%。2015年第一作者分布在18个省市自治区，其中山东27篇，占36.00%；广东11篇，占14.67%；上海7篇，占9.33%；江苏、北京各4篇，分别占5.33%；其他地区分布较少。第一作者机构中高等院校为60篇，占80.00%，县区级医院仅占1.33%。基金论文共56篇，基金论文比为74.67%，国家级、省部级、厅局地市级基金论文分别为16、27、21篇。多数为合作撰写，作者人数1～12人；作者为同一单位的54篇，占72.00%。出版时滞为10～337d，各期引文量平均范围11.42～27.00条。

《中华诊断学电子杂志》2015年载文信息丰富，刊出形式以论著为主，基金论文比较高；作者队伍分布较广泛，以高等院校为主。与2014年对比发现第一作者的地域分布明显扩大、论著类发稿量增加、基金论文比略有降低，其他各项指标变化不大。

To investigate the papers published in the Chinese Journal of Diagnostics (Electronic editionin) in 2015.

All articles published in the Chinese Journal of Diagnostics (Electronic edition and introductory printed edition) in the year 2015 were analyzed, including the number, column and style of published articles, the institution and area distribution of the first authors, the foundation-supported articles, the amounts of authors and citations and the publishing delay.Then these results were compared with those of 2014.

In the year of 2015, four issues of the Chinese Journal of Diagnostics(Electronic Edition)were published, including 305 pages in the electronic edition and 256 pages in the printed edition.75 papers were published this year, with the maximum of 20, minimum of 15, average of 18.75 per issue.In total, four monographic study issues were published, with 59 papers, accounting for 78.67% proportion of total publishment, and 141 pages, accounting for 55.08% of total publishment.On average, each paper covered 4.07 pages in the electronic edition and 3.41 pages in the printed edition.The paper density and information density of the electronic edition was 0.25 and 3.93.The paper density and information density of the printed edition were 0.29 and 4.29.Original articles (57) were the main style of published papers, accounting for 76.00%, while short reports (12)accounted for 16.00%, review (2) accounted for 4.00%.Authors were distributed in 18 provinces or autonomous regions, among which Shandong, Guangdong, Shanghai, Jiangsu and Beijing amounted for 36.00%(27), 14.76%(11), 9.33%(7), 5.33%(4) and 5.33%(4) respectively.Colleges and universities, with the account of 80.00% (60), were the maximal first author institution, while hospitals at country level merely accounted for 1.33%.The total quantity of foundation-supported papers was 56, with the ratio of 74.67%, 16 of national foundation-supported papers, 27 of provincial foundation-supported papers, 21 of prefectural foundation-supported papers.There were 1-12 authors of all issues, with the majority of co-corresponding authors.The publishing delay ranged from 10 to 337 days.The average citation ranged from 11.42 to 27 per issue.

The Chinese Journal of Diagnostics has abundant information sources and its main style of published papers is the original article.The majority of the papers are supported by foundations.The authors are mainly from the colleges and universities with a nation-wide distribution.The distribution of first author has widened.The amount of published issues have enhanced, while the proportion of supported papers has slightly decreased compared with those of 2014.