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. 2012 Feb;50(2):227–231. doi: 10.1128/JCM.06036-11

Table 1.

Overview of data obtained from three runs of standard curves with serial dilutions of a plasmid clone containing the target for P. jirovecii DNA detectiona

Plasmid concn (copies/μl) Quantification cycle
Mean Minimum Maximum SD CV (%)
109 6.88 6.53 7.09 0.24 3.5
108 10.41 10.22 10.51 0.11 1.0
107 14.16 13.74 14.47 0.27 1.9
106 17.72 17.26 17.96 0.32 1.8
105 21.03 20.85 21.14 0.12 0.6
104 24.54 24.19 24.73 0.24 1.0
103 28.21 27.72 28.50 0.32 1.1
102 31.97 31.32 32.46 0.48 1.5
10 34.91 34.02 35.75 0.68 1.9
1 39.32 38.98 39.57 0.20 0.5
a

Each dilution was analyzed in duplicate. The coefficients of variation (CV) show good reproducibility.