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Table 1 Demographic data of 50 patients with chronic osteomyelitis.

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

Variable Data
Age range in years (mean ± SD) 14–80 (36 ± 16)
Males (%) 45 (90)
Females (%) 5 (10)
Evolution range of COM in months (median) 1–432 (3)
Bones affected by COM:  
   Femur (%) 21 (42)
   Tibia (%) 20 (40)
   Fibula and tibia (%) 1 (2)
   Other bones (%) 8 (16)
Factor associated with COM:  
   Trauma (%) 32 (64)
   Orthopedic devices (%) 9 (18)
   Contiguous infection (%) 6 (12)
   Hematogenous (%) 2 (4)
   Orthopedic surgery (%) 1 (2)
On antibiotics before bone biopsy* (%) 26 (52)
  1. * Period of 48 hours before surgery, excluding surgical prophylaxis (two doses maximum).