Subject Time interval Cotton Polyester Cotton/Polyester blend
Wrist Elbow Upper arm Wrist Elbow Upper arm Wrist Elbow Upper arm
H/M H/M H/M H/M H/M H/M H/M H/M H/M
1 12 hrs 7/5 pg UD UD 1/0 pg* UD UD 1/4 pg* UD 2/0 pg*
7 days UD UD UD UD UD UD UD UD UD
2 12 hrs UD UD UD UD UD UD UD UD UD
7 days UD UD UD UD UD UD UD UD UD
3 12 hrs UD UD UD UD UD UD UD UD UD
7 days UD UD UD UD UD UD UD UD UD
H/M: total human DNA/male-specific DNA
UD: undetermined
*Male-specific DNA concentration is higher than total human concentration
Table 2: Quantification results for assailants1, 2, and 3 from cotton, polyester, and cotton/polyester blend fabrics relative to the tested arm areas (wrist, elbow, and upper arm) at two time intervals.