Table 2 

ANOVA model effects across labs 

Bone Marrow 
Quality difference 
Sample size 


Lab 1 
0.046* 
35 
Lab 2 
0.168* 
112 
Lab 3 
0.175* 
20 
Lab 4 
0.064* 
27 
Lab 5 
0.111* 
14 
Lab 6 
0.053* 
12 
Lab 7 
0.044* 
43 
Lab 8 
0.145* 
19 
Fstatistic pvalue 
<.001 



Brain 
Quality difference 
Sample size 


Lab 1 
0.054* 
201 
Lab 2 
0.016 
24 
Lab 3 
0.029* 
31 
Lab 4 
0.229* 
42 
Lab 5 
0.053* 
199 
Lab 6 
0.042* 
82 
Fstatistic pvalue 
<.001 



ANOVA model effects for GNUSE median across labs, for two tissue types  bone marrow and brain. There is a statistically significant difference in quality between labs in both tissue types (Ftest pvalues < 0.001). A * denotes a statistically significant lab effect. 

McCall et al. BMC Bioinformatics 2011 12:137 doi:10.1186/1471210512137 