| CD | CNN | DM | ||||
| 1 | Positive | Negative | Positive | Negative | Positive | Negative |
| Stage 1 | 41.88% | 14.13% | 49.06% | 22.50% | 58.48% | 64.91% |
| Stage 2 | 41.59% | 16.10% | 49.48% | 21.47% | 65.93% | 61.26% |
| Total | 41.71% | 15.29% | 49.42% | 21.60% | 65.11% | 61.67% |