From: Comparison of methods for the detection of biofilm production in coagulase-negative staphylococci
Method | Â | ica Positive* | ica negative** | Sensitivity % | Specificity % |
---|---|---|---|---|---|
Tube test | Adherent | 82 | 0 | 100 | 100 |
 | Non-adherent | 0 | 18 |  |  |
Plate test | Adherent | 80 | 1 | 97,6 | 94,4 |
 | Non-adherent | 2 | 17 |  |  |
CRA test | Adherent | 73 | 0 | 89 | 100 |
 | Non-adherent | 9 | 18 |  |  |