National Center for Biotechnology Information NCBI NLM MEDLINE humans pubmed abstract nih national institutes of health national library of medicine prognosis adult female male adolescent aged middle aged risk factors Retrospective Studies anti-bacterial agents / therapeutic use drug resistance staphylococcal infections* / drug therapy microbial shock pmid:7613977 m g raab m o'brien d r graham orthopedics* septic* / drug therapy septic* / physiopathology staphylococcal infections* / physiopathology surgical wound infection* / drug therapy surgical wound infection* / physiopathology