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Table 2 FDG uptake (mean standardized uptake values (SUV, g/ml)) in right-side muscles of IIM patients and controls

From: Treatment-naïve idiopathic inflammatory myopathy: disease evaluation by fluorodeoxyglucose versus pyrophosphate

  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