Table 1 The cutoff criteria for evaluation of true positive and false-positive rates.
 |  | Cutoff (number of sgRNAs with 4-fold reduction) | |||
---|---|---|---|---|---|
 | Total | >1 | >2 | >3 | >4 |
Essential genes | 216 | 138 | 67 | 25 | 5 |
Non-essential genes | 771 | 105 | 15 | 2 | 0 |
False-negative rate: | Â | 36.1% | 69.0% | 88.4% | 97.7% |
False-positive rate: | Â | 13.6% | 1.9% | 0.3% | 0.0% |