Table 2 Identification of presence or absence of green cells.
Ratio of cancer cells to noncancerous cells | Slides observed (n) | Postive diagnosis for cancer (n) | Negative diagnosis for cancer (n) | Correct observations (% (CI)) |
|---|---|---|---|---|
0 | 60 | 2 | 58 | 97 (89–99) |
1:10 | 60 | 60 | 0 | 100 |
1:100 | 60 | 60 | 0 | 100 |
1:1,000 | 60 | 60 | 0 | 100 |
1:10,000 | 60 | 60 | 0 | 100 |
1:100,000 | 60 | 57 | 3 | 95 (87–99) |
1:1,000,000 | 60 | 55 | 5 | 92 (83–97) |
1:10–1:1,000,000 | 360 | 352 | 8 | 98 (96–99) |