TABLE 3.
Comparison of the GLABRATA RTT test (RTT) and the dipstick test (DT) with isolates resembling C. glabrata on Chromagar Candida (n = 157) and Candida ID (n = 133)
| Parametera | Positive result on Chromagar Candida by:
|
Positive result on Candida ID by:
|
||
|---|---|---|---|---|
| RTT | DT | RTT | DT | |
| C. glabrata (n = 90) | 87 | 61 | 86 | 88 |
| Non-C. glabratab | 0 | 2 | 0 | 5 |
| Sensitivity (%) | 96.7 | 67.8 | 95.6 | 97.8 |
| Specificity (%) | 100 | 97.0 | 100 | 88.4 |
| PPV (%) | 100 | 96.8 | 100 | 94.6 |
| NPV (%) | 95.7 | 69.2 | 91.5 | 95.0 |
| Efficiency (%) | 98.1 | 80.3 | 97.0 | 94.7 |
a
PPV, positive predictive value; NPV, negative predictive value.
b
n = 67 for Chromagar and 43 for Candida ID.