Table 1.

Cohen Kappa statistics of various arrays. Agreement for the different values are: 0.01-0.2 – slight agreement; 0.21-0.4 – fair agreement; 0.41-0.6 – moderate agreement; 0.61-0.8 – substantial agreement; 0.81-0.99 – almost perfect agreement.

Comparisons	Cohen Kappa
Serum-1 vs. Serum-2	0.34
Serum vs. Plasma	0.39
RNA-1 vs. RNA-2	0.75
Serum H/F-1 vs. Serum H/F-2	0.66
Plasma H/F-1 vs. Plasma H/F-2	0.62
Serum vs. Serum H/F	0.18
Serum H/F vs. Plasma H/F	0.67
Serum vs. RNA	0.19
Serum H/F vs. RNA	0.62