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Table 1 An overview of biofilm production of studied orthopedic strains

From: Investigation of biofilm production and its association with genetic and phenotypic characteristics of OM (osteomyelitis) and non-OM orthopedic Staphylococcus aureus

Biofilm formationTotal (n = 137)OM (n = 60)Non-OM (n = 77)
Weak (OD ≤ 2ODc), n (%)18 (13.1)9 (15.0)9 (11.7)
Moderate (2ODc < OD ≤ 4ODc), n (%)36 (26.3)14 (23.3)22 (28.6)
Strong (4ODc < OD ≤ 8ODc), n (%)36 (26.3)16 (26.7)20 (26.0)
Strong (8ODc < OD ≤ 12ODc), n (%)9 (6.6)3 (5.0)6 (7.8)
Strong (12ODc < OD ≤ 16ODc), n (%)9 (6.6)6 (10.0)3 (3.9)
Strong (OD > 16ODc), n (%)29 (21.2)12 (20.0)17 (22.1)
OM vs. non-OMPa = 0.946
  1. aBy Mann–Whitney U test, indicating no significant difference in biofilm formation between OM and non-OM isolates. ODc = 0.073