Skip to main content

Table 2 Virulence genes and biofilm production in 50 Staphylococcus epidermidis isolates from bloodstream infection and nasal colonization

From: Methicillin resistance and virulence genes in invasive and nasal Staphylococcus epidermidis isolates from neonates

Biofilm-associated virulence
genes
Number (%) of isolates Number (%) of biofilm producer isolates
BSIa
(n = 31)
Nasalb
(n = 19)
p value BSIa
(n = 8)
Nasalb
(n = 8)
p value
aae 31 (100) 19 (100) 1 8 (100) 8 (100) 1
aap 18 (58) 16 (84) 0.068 7 (88) 8 (100) 1
atlE 30 (97) 19 (100) 1 8 (100) 8 (100) 1
bhp 1 (3) 1 (5) 1 0 (0) 0 (0) 1
embp 28 (90) 19 (100) 0.279 8 (100) 8 (100) 1
fbe 23 (74) 16 (84) 0.498 7 (88) 6 (75) 1
gehD 23 (74) 11 (58) 0.349 6 (75) 6 (75) 1
sdrF 20 (65) 2 (11) 0.001c 6 (75) 0 (0) 0.007c
sesI 12 (39) 0 (0) 0.02c 3 (38) 0 (0) 0.2
icaADB 14 (45) 10 (53) 0.772 6 (75) 7 (88) 0.6
arcA 6 (19) 1 (5) 0.229 4 (50) 1(13) 0.282
opp3AB 3 (10) 1 (5) 1 1 (13) 1 (13) 1
  1. a BSI: Bloodstream infection isolates
  2. b Nasal: Nasal isolates
  3. c: results with statistical significance