Table 6

Microarray Gene Expression data results (n = 2009 genes, m = 3 replicates)

(a) Technical replicate


Affymetrix (l = 1)
Amersham (l = 2)

Estimate
SE
Estimate
SE

μl
2759
150.5
3.74
0.22
ρ l
0.94
0.002
0.99
0.0003
θl
0.58
0.03
0.25
0.015
σl
1603
17.88
0.93
0.01
ρ12 = 0.51, Twald = 11.85, LRT = 122, PM = -7.89 (p < 0.001 for all tests) The estimate of the common WSCV under the null is 0.31 (SE = 0.014) 95% CI for (θ1-θ2): (0.28, 0.39)

(b) Biological replicate


Affymetrix (l = 1)
Amersham (l = 2)

Estimate
SE
Estimate
SE

μl
2819
142.6
3.43
0.18
ρ l
0.91
0.003
0.93
0.0025
θl
0.71
0.037
0.63
0.034
σl
2003.7
22.35
2.16
0.02
ρ12 = 0.50, Twald = 2.35, LRT= 8.56, PM = -9.04 (p < 0.02 for all tests) The estimate of the common WSCV under the null is 0.67 (SE = 0.025) 95% CI for (θ1-θ2): (0.014, 0.15)

Shoukri et al. BMC Medical Research Methodology 2008 8:24   doi:10.1186/1471-2288-8-24