证据评分
伤口感染：有高质量的证据可证明外用抗生素和白凡士林（凡士林）具有相似的操作后伤口感染率。[55]Smack DP, Harrington AC, Dunn C, et al. Infection and allergy incidence in ambulatory surgery patients using white petrolatum vs bacitracin ointment. A randomized controlled trial. JAMA. 1996;276:972-977.http://www.ncbi.nlm.nih.gov/pubmed/8805732?tool=bestpractice.com[56]Campbell RM, Perlis CS, Fisher E, et al. Gentamicin ointment versus petrolatum for management of auricular wounds. Dermatol Surg. 2005;31:664-669.http://www.ncbi.nlm.nih.gov/pubmed/15996417?tool=bestpractice.com
系统评价或者受试者＞200名的随机对照临床试验（RCT）。
伤口感染：有高质量的证据可证明外用抗生素和白凡士林（凡士林）具有相似的操作后伤口感染率。[55]Smack DP, Harrington AC, Dunn C, et al. Infection and allergy incidence in ambulatory surgery patients using white petrolatum vs bacitracin ointment. A randomized controlled trial. JAMA. 1996;276:972-977.http://www.ncbi.nlm.nih.gov/pubmed/8805732?tool=bestpractice.com[56]Campbell RM, Perlis CS, Fisher E, et al. Gentamicin ointment versus petrolatum for management of auricular wounds. Dermatol Surg. 2005;31:664-669.http://www.ncbi.nlm.nih.gov/pubmed/15996417?tool=bestpractice.com
