From: Exercise and obesity in fibromyalgia: beneficial roles of IGF-1 and resistin?
 | Lean (group 1) | Overweight (group 2) | Obese (group 3) | Lean vs overweight | Lean vs obese | |||
---|---|---|---|---|---|---|---|---|
 | Median (range) | n | Median (range) | n | Median (range) | n | P-valuea | |
Age, years | 52.0 (33.5 to 54.0) | 9 | 53.0 (48.0 to 56.0) | 26 | 51.0 (47.0 to 55.5) | 13 | 0.288 | 0.647 |
BMI, kg/m2 | 23.5 (21.5 to 24.0) | 9 | 28.1 (27.1 to 29.5) | 26 | 32.7 (30.8 to 35.7) | 13 | <0.001 | <0.001 |
Tender points, n | 14.0 (12.5 to 15.5) | 9 | 15.0 (13.0 to 17.0) | 26 | 15.0 (13.0 to 16.0) | 13 | 0.224 | 0.393 |
Baseline FIQ fatigue, mm | 97.0 (77.5 to 98.0) | 9 | 74.0 (52.8 to 88.5) | 26 | 88.0 (72.5 to 91.5) | 13 | 0.008 | 0.110 |
Baseline MFIGF | 20.0 (17.0 to 20.0) | 9 | 16.5 (13.0 to 20.0) | 26 | 17.0 (14.5 to 20.0) | 13 | 0.061 | 0.209 |
Change in FIQ fatigue after 15 weeks, mm | -7.0 (-13.5 to 0.0) P = 0.046 | 8 | -0.5 (-16.3 to 8.3) P = 0.485 | 26 | -8.0 (-20.5 to 2.0) P = 0.059 | 13 | 0.368 | 0.972 |
Change in FIQ fatigue after 30 weeks, mm | -4.5 (-12.8 to 0.3) P = 0.161 | 8 | -2.0 (-7.0 to 8.8) P = 0.966 | 24 | -2.5 (-6.8 to 4.5) P = 0.345 | 12 | 0.254 | 0.473 |
Change in MFIGF after 15 weeks | -2.0 (-4.2 to 0.0) P = 0.084 | 8 | 0.0 (-1.2 to 1.0) P = 0.515 | 26 | 0.0 (-3.5 to 1.0) P = 0.641 | 13 | 0.164 | 0.336 |
Change in MFIGF after 30 weeks | -3.0 (-5.5 to -2.0) P = 0.017 | 8 | -2.0 (-3.0 to 0.0) P = 0.001 | 24 | -3.0 (-4.0 to -1.0) P = 0.016 | 12 | 0.147 | 0.624 |