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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