| No. | Number of SS | Number of Tp | Sensitivity (%) | Specificity (%) |
| 1 | 151 | 141 | 93.3% | 96.9% |
| 2 | 57 | 50 | 87.7% | 98.2% |
| 3 | 64 | 59 | 92.1% | 98.9% |
| 4 | 47 | 43 | 91.4% | 99.2% |
| 5 | 58 | 55 | 94.8% | 98.6% |
| 6 | 133 | 124 | 93.2% | 96.8% |
| total | 510 | 472 | 92.5% | 98.1% |