Table 1

Percentage of positive samples detected by the HB&L system (sensitivity) for all tested conditions

Micro-organismTested mediaGrowth controls
TISSUE-C†CARRY-C‡Level of contamination
RESEP+
(n=3)
RESEP−
(n=3)
RESEP+
(n=3)
RESEP−
(n=3)
0.1–1 cfu0.5–5 cfu1–10
cfu
10–100
cfu
Aspergillus brasiliensis
ATCC 16404
100 100100 1000.00
(n=3)
100
(n=3)
100
(n=3)
100
(n=3)
Bacillus subtilis
ATCC 6633
1000.00*1000.00*33.33
(n=3)
100
(n=6)
100
(n=3)
100
(n=3)
Candida albicans
ATCC10231
100 100100 10067.67
(n=3)
100
(n=3)
100
(n=5)
100
(n=3)
Clostridium sporogenes
ATCC 19404
10033.3310033.3333.33
(n=6)
100
(n=3)
100
(n=6)
100
(n=3)
Pseudomonas aeruginosa
ATCC 9027
1000.00*1000.00*33.33
(n=3)
100
(n=3)
100
(n=6)
100
(n=3)
Staphylococcus aureus
ATCC 6538
1000.00*1000.00*0.00
(n=3)
100
(n=3)
100
(n=6)
100
(n=3)
  • *P<0.05, Fisher’s exact test on the number of positive samples between the RESEP− group and its corresponding growth control.

  • †Level of contamination: 0.5–5.0 cfu in 500 µL of the tested volume.

  • ‡Level of contamination: 1–10 cfu in 500 µL of the tested volume.

  • ATCC, American Type Culture Collection.