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Table 2 Outcome measures

From: Daily cytokine fluctuations, driven by leptin, are associated with fatigue severity in chronic fatigue syndrome: evidence of inflammatory pathology

  Pearson correlation coefficient with Leptin (*p<0.05; **p<0.01)
Participant AM fatigue PM fatigue Mean fatigue
1 0.38 0.696** 0.582**
2 0.32 0.676** 0.535**
3 0.02 −0.047 −0.015
4 0.304 0.451* 0.407*
5 0.588** 0.749** 0.731**
6 0.583** 0.434* 0.747**
7 −0.173 0.005 −0.097
8 −0.405 * 0.034 −0.516**
9 0.591** 0.250 0.497*
10 −0.015 −0.205 −0.173
11 0.298 −0.237 −0.226
12 0.095 0.238 0.276
13 −0.416* 0.545* −0.056
14 NA NA NA
15 0.069 0.222 0.176
16 NA NA NA
17 −0.402* −0.241* −0.342
18 −0.210 −0.327 −0.268
19 0.262 0.539** 0.429*
20 −0.363 −0.412* −0.386
  1. Outcome measures for each of the 20 participants (CFS: #1 – 10, Controls: #11 – 20). The correlations (r-value) between serum leptin levels and daily (AM, PM, and mean) fatigue severity are reported, *p<0.05, **p<0.01.