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Table 1 Variations in RNA concentration, RIN value, and yield among the different bodily fluids

From: Diversity and signature of small RNA in different bodily fluids using next generation sequencing

Bodily fluid Concentration (ng/uL) RIN Value RNA amount in 1 L of fluid (mg)
Ave STDEV Ave STDEV Ave STDEV
Blood 21.200 4.764 2.740 2.243 5.300 1.191
Leukocytes 18.200 5.848 7.600 0.474 1.820 0.585
Plasma 3.400 2.881 N/A N/A 0.850 0.720
Serum 6.600 5.320 1.000 N/A 1.650 1.330
Saliva 67.200 33.056 2.360 0.602 11.200 5.509
Cell-Free Saliva 25.333 10.970 2.133 1.002 4.222 1.828
Urine 5.750 4.113 1.000 N/A 0.010 0.007
Cell-Free Urine 6.600 5.683 1.000 N/A 0.011 0.009
  1. RNA concentration and RIN value were determined by the Agilent 2100 Bioanalyzer System