Feasibility and Initial Performance of Simultaneous SPECT-CT Imaging Using a Commercial Multi-Modality Preclinical Imaging System

Table 2

Region statistics for SPECT only and simultaneous SPECT-CT uniformity measurements.

^99mTc syringe	Mean (cts/cc)	StdDev (cts/cc)	95% CI	SNR	% Diff SNR (%)
No X-rays	882.4	243.3	406–1359	3.63
With X-rays	1130.4	277.9	586–1675	4.07	12.12