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Table 3 Concordance analysis between bone and non-bone specimens for 50 patients with chronic osteomyelitis

From: Lack of microbiological concordance between bone and non-bone specimens in chronic osteomyelitis: an observational study

Variable Bone Specimens Non-bone Specimens Concordance:
  (n = 68) (n = 57) # Patients (%)
Negative cultures 3 7 1 of 3 (33)
Monomicrobial cultures 29 32 11 of 29 (38)
Polymicrobial cultures 18 11 2 of 18 (11)
Staphylococcus aureus 21 20 8 of 21 (38)
Other Gram-positive cocci 19 9 4 of 19 (21)
All Gram-positive cocci * 40 29 11 of 40 (28)
Enterobacteriaceae 11 13 1 of 11 (9)
Pseudomonas aeruginosa 8 10 2 of 8 (25)
Acinetobacter calcoaceticus 5 4 0 of 5 (0)
Other Gram-negative bacilli 3 1 0 of 3 (0)
All Gram-negative bacilli 27 28 3 of 27 (11)
Mycobacterium spp. 1 0 0 of 1 (0)
All bacteria 68 57 14 of 50 (28)
  1. * One patient had polymicrobial COM caused by Staphylococcus aureus and Streptococcus agalactie