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Table 1. Common bacterial organisms in septic hip
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Age	                   Organism

Neonate	                   Group B Streptococcus
		           Staphylococcus aureus 
		           Gram-negative bacteria

Children to age under 4    Group A Streptococcus
                           Staphylococcus aureus
                           Haemophilus influenza B 
                           (if child not HIB immunized)

Children over 4 years      Staphylococcus aureus

Adolescents                Staphylococcus aureus
                           Gonococcus
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Beaty, JH (ed): Orthopaedic Knowledge Update 6. Rosemont, IL. American Academy of Orthopaedic Surgeons. 1999 Ch. 35, pp. 409-425.