Figure 4From: Reliability of computed tomography measurements in assessment of thigh muscle cross-sectional area and attenuation Mean attenuation in HU for all measured muscles. a) Intra-observer comparison, replicate 1 against replicate 2 both observers combined (n = 744) and b) Inter-observer comparison, observer 1 against observer 2, both replicates combined (n = 744).Back to article page