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Table 3 Verification of linear dynamic range and PCR efficiency at the molecular-pathological laboratory at the Charité

From: Decentral gene expression analysis: analytical validation of the Endopredict genomic multianalyte breast cancer prognosis test

Gene

Linear range [log2dilution step]

Linear range [Cqvalue]

Efficiency [%]

AZGP1

−7 to 0

28.5 to 20.5

82.7 (79.1 - 86.7)

CALM2

−7 to 0

28.7 to 21.5

97.6 (95.7 - 99.7)

BIRC5

−7 to 0

34.2 to 26.6

89.7 (86.4 - 93.2)

DHCR7

−7 to 0

32.4 to 24.4

83.2 (79.2 - 87.7)

IL6ST

−7 to 0

31.7 to 23.3

78.0 (74.4 - 81.9)

MGP

−7 to 0

28.9 to 20.0

72.3 (68.1 - 77.2)

OAZ1

−7 to 0

30.4 to 22.6

86.7 (83.6 - 90.1)

RBBP8

−7 to 0

33.5 to 25.8

87.6 (84.4 - 91.0)

STC2

−7 to 0

32.1 to 23.9

81.2 (77.7 - 85.0)

UBE2C

−7 to 0

32.7 to 24.3

78.1 (74.4 - 82.2)

RPL37A

−7 to 0

26.6 to 18.7

85.3 (83.1 - 87.5)

HBBV2

−6 to 0

32.7 to 25.6

79.0 (74.7 - 83.9)

  1. 95% confidence intervals are indicated in brackets. For linear range a maximum deviation from linearity of 1 Ct value was accepted.