Table 1 Manual grading scale (profile grades) for forensic DNA profiles, with intervals for summarized peak heights (TPH)
From: A ranking index for quality assessment of forensic DNA profiles
Interval | Profile grade |
|---|---|
50000 ≤ TPH | 1 |
40000 ≤ TPH < 50000 | 2 |
30000 ≤ TPH < 40000 | 3 |
25000 ≤ TPH < 30000 | 4 |
20000 ≤ TPH < 25000 | 5 |
15000 ≤ TPH < 20000 | 6 |
12500 ≤ TPH < 15000 | 7 |
10000 ≤ TPH < 12500 | 8 |
7500 ≤ TPH < 10000 | 10 |
5000 ≤ TPH < 7500 | 12 |
2500 ≤ TPH < 5000 | 14 |
1000 ≤ TPH < 2500 | 16 |
500 ≤ TPH < 1000 | 18 |
0 <TPH < 500 | 19 |
TPH = 0 | 20 |