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有报道宫内节育器(IUD)可使盆腔感染性疾病(PID)发生率增加,认为特殊尾丝原料或许与PID率增加有关。为研究IUD有无尾丝与PID率的关系和探讨尾丝原料的不同是否影响PID的发生率,从计算机化的文献检索系统中检出所需资料,包括从临床系列观察到随机化试验。各资料中PID诊断标准不同,诊断的精确度不同而且包括:生殖器炎症、盆腔感染、输卵管炎及各种临床定义的PID。每百个妇女年中PID发生率是从研究资料中抽出或从PID
It has been reported that intrauterine device (IUD) can increase the incidence of pelvic inflammatory disease (PID), that tailor-made feedstock may be related to the increase of PID. In order to investigate the relationship between IUD with or without tail and PID, and to investigate whether the difference in tail stock material affects the incidence of PID, the required information was retrieved from a computerized literature retrieval system, including a randomized trial from a clinical series. The PID diagnostic criteria vary from one data source to another, and the diagnostic accuracy varies and includes genital inflammation, pelvic infection, salpingitis and various clinically defined PIDs. The incidence of PIDs per 100 women year is extracted from the study data or from PID