Table 2 FDG uptake (mean standardized uptake values (SUV, g/ml)) in right-side muscles of IIM patients and controls
Patients (N = 8) | Controls (N = 24) | 95% CI for the mean difference | p value | |
|---|---|---|---|---|
Upper limb | ||||
M. deltoideus dx | 1.07 ± 0.30 | 0.62 ± 0.14 | 0.19–0.70 | 0.004 |
M. biceps dx | 1.29 ± 0.41 | 0.72 ± 0.19 | 0.22–0.92 | 0.006 |
M. triceps dx | 0.87 ± 0.23 | 0.44 ± 0.16 | 0.23–0.63 | 0.0008 |
Lower limb | ||||
M. gluteus maximus dx | 0.75 ± 0.13 | 0.60 ± 0.15 | 0.04–0.27 | 0.01 |
M. quadriceps femoris dx | 0.82 ± 0.11 | 0.62 ± 0.16 | 0.10–0.30 | 0.0007 |
Derived variable | ||||
Volume-weighted average SUVmean for all muscles | 0.84 ± 0.11 | 0.60 ± 0.13 | 0.14–0.34 | 0.0001 |