Fig. 3

Recovery coefficient as a function of sphere diameter for all systems separately (a–e) and for all systems combined (f), for data reconstructed with a vendor-specific algorithm. Median and box plot for five repetitive measurements per system. (a) GE Discovery NM/CT 670 Pro, (b) Philips Precedence 6, (c) Siemens Symbia Intevo 6, (d) Siemens Symbia T16 system 1, (e) Siemens Symbia T16 system 2, (f) Median RC values for all systems combined