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Table 2 Multivariate analysis of characteristics associated with strong biofilm production in human-derived strains

From: Association between genotypic diversity and biofilm production in group B Streptococcus

Characteristics Adjusted ORa (95 % CI) p-value*
Pilus Island (PI)
 Other PI combinations 1.0
 PI-2a presence 4.0 (0.85,19.02) 0.08
Clonal complexes (CCs)
 Other CCs 1.0
 CC-1 0.7 (0.18, 3.02) 0.66
 CC-23 1.0 (0.19, 5.46) 0.99
 CC-17 0.2 (0.03, 1.01) 0.05
 CC-19 0.04 (0.01, 0.14) <0.0001
Strain source
 Asymptomatic colonization 1.0
 Invasive disease 1.2 (0.57, 2.33) 0.68
  1. a OR odds ratio, 95 % CI 95 % confidence interval
  2. *Walds Chi-square test