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Table 2 Quantitation of male DNA fractions

From: Isolating DNA from sexual assault cases: a comparison of standard methods with a nuclease-based approach

   Total DNA in male fractiona Percentage of male DNA
Laboratory Sperm input per swab cutting Standard method Erase Standard method Erase
Los Angeles 50,000 7.7 3.5 99 68
15,000 9.5 2.4 109 73
5,000 0.6 0.3 32 193
1,500 7.4 0.7 20 120
Bern 50,000 3.9 2.9 ND ND
15,000 0.5 2.2 ND ND
5,000 25.2 1.3 ND ND
1,500 0.1 0.7 ND ND
Stuttgart 50,000 35.1 5.3 ND ND
15,000 11.4 4.5 ND ND
5,000 8.5 3.1 ND ND
1,500 4.2 0.0 ND ND
Lugano 50,000 59.3 8.2 ND ND
15,000 38.4 10.7 ND ND
5,000 47.1 9.4 ND ND
1,500 67.2 5.1 ND ND
Lausanne 50,000 21.7 72.0 100 59
15,000 12.6 12.8 52 96
5,000 12.3 6.0 26 66
1,500 8.4 1.4 17 85
  1. ND, not determined. aData presented as nanograms of DNA.