Methods One hundred and twenty patients were randomly divided into an iodophor sterilization repeated group(n=60)and a conventional disinfection group(n=60).

• 方法将120例四肢浅静脉留置针患者,应用分层随机法分为对照组和观察组各60例,采用常规消毒法和碘伏再消毒法进行对比。