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Table 5 Peak height ratios (PHR)

From: Comparison of STR profiling from low template DNA extracts with and without the consensus profiling method

  ADO (0%) Included In the PHR Calculation ADO (0%) Not Included In the PHR Calculation
na Mean PHR Std. Deviation Median PHR nb Mean PHR Std. Deviation Median PHR
100 pg Starting Template
30 PCR Cycle Amplification
Non-split Samples 183 67% 23% 70% 177 69% 20% 71%
34 PCR Cycle Amplification
Non-split Samples 183 65% 22% 69% 183 65% 22% 69%
Split Samples 540 45% 32% 47% 426 57% 24% 55%
25 pg Starting Template
30 PCR Cycle Amplification
Non-split Samples 140 29% 36% 0% 60 68% 18% 65%
34 PCR Cycle Amplification
Non-split Samples 174 36% 32% 38% 113 56% 22% 52%
Split Samples 353 19% 32% 0% 103 64% 24% 60%
  1. a n is the number of heterozygote loci with at least one allele present.
  2. b n is the number of heterozygote loci with both alleles present.