Table 2

DNA yields of fresh samples by amplification status in three PCR-basedβ -globin gene assays

Amplification statusanDNA yieldb
Median (μg)Range (μg)
0 of 310.2
1 of 310.9
2 of 331.90.3–2.3
3 of 3472.40.4–53.8
  • a Number of assays for which PCR amplification was achieved.

  • b P = 0.02, unpaired t test comparing log (DNA yields) of samples for which amplification was observed in three of three assays to DNA yields of samples in all other groups (i.e., zero, one, or two successful assays) combined.