中华内科杂志近五年部分栏目引文分析

目的 分析本刊近5年部分栏目文章的引文情况及与国外同类期刊的差距。方法 选取1998-2002年本刊全部期刊和《英国医学杂志》(简称BMJ)、《美国医学会杂志》(简称JAMA)、《内科学纪事,Annals of Internal Medicine》(简称Annals)部分栏目文章的引文进行横断面统计。结果 5年论著平均引文数本刊为6．55条,《BMJ》为15．78条,《JAMA》为34．73条,《Annals》为30．37条;评论性文章的引文分别为3．82条、9．26条、18．38条和13．79条;其他栏目的文章平均引文本刊为6．03条,《BMJ》为13．58条。近5年本刊的引文中,英文文献约占总引文的86％,中文引文约占14％,日文不足1％,其他语种几乎没有。普赖斯指数分析,本刊与《BMJ》、《JAMA》、《Annals》相距不大,分别为0．50、0．58、0．57和0．42。结论 本刊引文数量与国外期刊相差较远;引文时限基本无差异;我国引文语种比较单一,有待加强。

Citation analysis of part of features in the Chinese Journal of Internal Medicine and other 3 foreign journals

Objective To analysis the discrepancy of citations in different features of the Chinese Journal of Internal Medicine (Chin J Intern Med) and other 3 foreign journals (BMJ, JAMA, Ann Intern Med) Methods Citations of articles published from 1998 to 2002 in major features of the four journals were calculated Results In the 5 years, the average number of citation original articles in Chin J Intern Med was 6 55, in BMJ 15 78, in JAMA 34 73 and Ann Intern Med 30 37; that of commentary articles was 3 82, 9 26, 18 38 and 13 79, respectively In the recent five years, 86% citations were devoted to English language articles, 14% Chinese language articles, less than 1% Japanese articles, few other language articles Price index analysis indicated the value for BMJ, JAMA, Ann Intern Med and Chin J Intern Med was 0 58, 0 57, 0 42 and 0 50, respectively Conclusions The discrepancy in average number of citation articles in different features of the four journals is not significantly different, even in time of their citation The citation of articles is not varied in languages in Chin J Intern Med