Table 4.
The sensitivity of the FISH test in patients with or without a history of transitional cell cancer (n = 979).
| FISH test |
Cytology |
p-Value | |||
|---|---|---|---|---|---|
| History+ | History− | History+ | History− | ||
| True positive, n | 135 | 596 | 51 | 195 | |
| False positive, n | 2 | 27 | 0 | 12 | |
| True negative, n | 2 | 93 | 4 | 108 | |
| False negative, n | 25 | 99 | 112 | 497 | |
| Sensitivity (%) | 84.38 | 85.76 | 31.29 | 28.18 | <0.001 |
| Specificity (%) | 50.00 | 77.50 | 100 | 90.00 | <0.001 |
| Positive predictive value (%) | 98.54 | 95.67 | 100 | 94.20 | |
| Negative predictive value (%) | 7.40 | 48.43 | 3.44 | 17.85 | |
FISH, fluorescence in situ hybridization.