| Conventional cytology | ROS cytology | |||||
---|---|---|---|---|---|---|---|
Urothelial carcinoma | Positive | Suspicious | Negative | Sensitivity | Positive | Negative | Sensitivity |
Low grade(n = 24) | 9 | 7 | 8 | 35% | 18 | 6 | 75% |
High grade(n = 26) | 21 | 1 | 2 | 88% | 22 | 2 | 92% |
Non-invasive papillary | 10 | 8 | 8 | 39% | 20 | 6 | 77% |
(n = 26) | Â | Â | Â | Â | Â | Â | Â |
Superficially invasive | 6 | 1 | 0 | 86% | 6 | 1 | 86% |
(n = 7) | Â | Â | Â | Â | Â | Â | Â |
Deep invasive | 6 | 0 | 0 | 100% | 6 | 0 | 100% |
(n = 6) | Â | Â | Â | Â | Â | Â | Â |
Carcinoma in situ | 8 | 0 | 1 | 89% | 8 | 1 | 89% |
(n = 10) | Â | Â | Â | Â | Â | Â | Â |
 |  |  |  | Specificity |  |  | Specificity |
Negative(n = 80) | 6 | 13 | 72 | 90% | 4 | 76 | 95% |