Table 1.
The number of false positives obtained for different levels of sensitivity.
| Sensitivity | Cut-off for D | Cut-off for E1 (kcal/mole) | Frequency of false positives | |
| FP (1/nt)a | FP (1/nt)b | |||
| 0.13 | 3.4 | -15.99 | 1/16214 | 1/261000 |
| 0.22 | 3.4 | -16.7 | 1/11350 | 1/130500 |
| 0.32 | 3.3 | -17.1 | 1/8407 | 1/65250 |
| 0.40 | 3.3 | -17.55 | 1/6486 | 1/29000 |
| 0.50 | 2.76 | -17.53 | 1/3914 | 1/13737 |
| 0.60 | 2.45 | -17.64 | 1/2467 | 1/7250 |
| 0.70 | 2.35 | -18.07 | 1/1621 | 1/2747 |
| 0.81 | 1.9 | -18.15 | 1/1086 | 1/1878 |
| 0.90 | 0.97 | -18.37 | 1/572 | 1/967 |
a The false positives in the 1000 nt fragments, with TSS at the centre (-500 to +500).
b The false positives in the 1000 nt fragments extracted from the centre of ORFs with length more than 2000 nt.