Skip to main content

Table 3 IFNγ real time RT-PCR accuracy and precision

From: Validation of a HLA-A2 tetramer flow cytometric method, IFNgamma real time RT-PCR, and IFNgamma ELISPOT for detection of immunologic response to gp100 and MelanA/MART-1 in melanoma patients

 

Analysts 1

Analysts 2

Intra Assay (n = 80)

  

Expected Value

1000

1000

Detected Value (Mean)

954

1233

SD

109

216

Precision (% CV)

11.4%

17.5%

Accuracy (% Recovery)

95%

123%

Inter Assay (n = 18)

  

Expected Value

1000

1000

Detected Value (Mean)

1100

1133

SD

14

65

Precision (% CV)

10.3%

5.8%

Accuracy (% Recovery)

110%

113%

  1. Data is shown as IFNγ gcopy numbers determined by 2 analysts to assess accuracy and precision for intra assay (a single assay with 80 repeats) and inter assay (in 18 inter day runs). Expected value is the copy number used as PCR template. Accuracy is examined using % Recovery (Detected/Expected) and precision is examined using %CV (SD/Mean).