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Table 1 Statistical analysis applied to 110 human specimens extracted using three DNA extraction methods

From: A semi-automated protocol for Archaea DNA extraction from stools

  Manual protocol Semi-automated Automated protocol
Positive specimens (%) 100 (91%) 90 (87%) 35 (32%)
Negative specimens 10 20 75
Average, Ct 30.33 27.4 36.1
Standard deviation, Ct 6.36 7.1 6.23
P value 0.1   0.001
0.001
  1. Ct, cycle threshold value in real-time PCR.