Fig. 7From: Effect of kilovoltage and quality reference mAs on CT-based attenuation correction in 177Lu SPECT/CT imaging: a phantom studyRelative error between the attenuation correction factor (ACFmeasured) and the theoretical attenuation correction factor (ACFtheoretical) for: A Insert located in the inner section of the phantom. B Inserts located in the outer section of the phantom. Error bars consider a coverage factor (k) of 2Back to article page