Skip to main content
. Author manuscript; available in PMC: 2012 May 1.
Published in final edited form as: Mitochondrion. 2011 Feb 22;11(3):520–527. doi: 10.1016/j.mito.2011.01.011

Table 3.

Effect of shipping back and forth at room temperature on mtDNA/nDNA quantification: correlations between mtDNA/nDNA values measured in Modena for sample sets shipped from each site back to Modena and values determined by the Modena site for their set of samples.

Site Modena 1 2 3 4 5 6 7 8 9 10 11
Samplesa (N) 19 18 18 19 19 18 19 17 18 18 17 19
mtDNA/nDNA
Range 25–775 53–966 95–1216 65–573 135–1689 157–2063 193–1731 93–743 53–395 76–699 68–644 88–2077
% change N/A +40 +118 +0.6 +165 +244 +200 +68 −27 +26 +16 +118
Pearson's b
R2 1.0 0.93 0.90 0.62 0.85 0.62 0.82 0.78 0.83 0.68 0.84 0.72
Slope 1.0 1.07 1.45 0.42 1.71 1.56 1.66 0.83 0.36 0.55 0.72 1.69
p value --- <0.0001 <0.0001 <0.0001 <0.0001 0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001
a

In some instances, the assay did not meet the assay quality control and no value was generated.

b

The correlations were between the measurements made by the Modena laboratory on the set of samples assigned to their site and each of the sample sets shipped back from the participating sites.