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Table 6 Change in fatigue versus change in adipokines, IGF-1 and neuropeptides

From: Exercise and obesity in fibromyalgia: beneficial roles of IGF-1 and resistin?

   ∆MFIGF
30 wks
∆Adiponectin
30 wks
∆Leptin
30 wks
∆Resistin
30 wks
∆Free IGF-1
30 wks
∆Total IGF-1
30 wks
∆IGFB3
30 wks
∆NGF
30 wks
∆NPY
30 wks
∆FIQ fatigue
30 wks
r
P
n
0.415
0.005
44
-0.227
0.164
39
-0.111
0.502
39
-0.016
0.923
39
-0.147
0.385
37
0.106
0.549
34
0.250
0.141
36
-0.463
0.034
21
0.469
0.032
21
∆MFIGF
30 wks
r
P
n
1.000
44
-0.096
0.561
39
0.280
0.084
39
-0.346
0.031
39
-0.201
0.232
37
-0.075
0.672
34
0.382
0.022
36
0.043
0.852
21
0.209
0.364
21
∆Adiponectin
30 wks
r
P
n
  1.000
41
-0.016
0.922
41
0.011
0.943
41
0.002
0.989
39
0.091
0.600
36
-0.241
0.145
38
0.097
0.669
22
-0.361
0.099
22
∆Leptin
30 wks
r
P
n
   1.000
41
-0.009
0.954
41
-0.211
0.196
39
0.051
0.765
36
-0.058
0.730
38
0.199
0.374
22
-0.091
0.687
22
∆Resistin
30 wks
r
P
n
    1.000
41
0.048
0.770
39
-0.186
0.277
36
-0.143
0.393
38
0.103
0.647
22
-0.278
0.210
22
∆Free IGF-1
30 wks
r
P
n
     1.000
40
0.103
0.556
35
0.178
0.299
36
0.356
0.104
22
-0.563
0.006
22
∆Total IGF-1
30 wks
r
P
n
      1.000
40
0.043
0.812
33
-0.115
0.639
19
-0.128
0.601
19
∆IGFB3
30 wks
r
P
n
       1.000
38
-0.089
0.695
22
-0.242
0.277
22
∆NGF
30 wks
r
P
n
        1.000
22
-0.215
0.336
22
  1. Correlation after 30 weeks between change (∆) in fatigue (∆FIQ and ∆MFIGF) and change in serum free IGF-1, serum levels of IGFB3, adipokines and neuropeptides. r, Spearman's correlation coefficient; P, P-value; n, number; FIQ, Fibromyalgia Impact Questionnaire; MFIGF, Multidimensional Fatigue Inventory subscale of General Fatigue; IGF, insulin-like growth factor; IGFB3, insulin-like growth factor-binding protein-3; NGF, nerve growth factor; NPY, neuropeptide Y.