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Table 4 Breast tumor data: Variability of log geometric means based on optimal gene subsets identified by various methods

From: Selection of optimal reference genes for normalization in quantitative RT-PCR

Set Size Method Optimal set Variance logGM Std Dev logGM
2 Szabo et al MRPL19, PUM1 0.517 0.719
2 Vandes. et al MRPL19, PSMC4 0.629 0.793
2 New ACTB, SF3A1 0.321 0.567
3 Szabo et al MRPL19, PUM1, PSMC4 0.531 0.729
3 Vandes. et al MRPL19, PUM1, PSMC4 0.531 0.729
3 New ACTB, SF3A1, PUM1 0.327 0.572
4 Szabo et al 1 MRPL19, PUM1, PSMC4, SF3A1 0.464 0.681
4 New ACTB, SF3A1, PUM1, GAPDH 0.369 0.607
  1. 1Same results using either the method of Vandesompele et al [4] or Szabo et al [9]